Triangles Computation Drill

Determine the measure of the missing angle for the following triangle:

___, 30^o, 60^o
1. 90^o
2. The sum of the angles of a triangle is 180^o.
3. Simply put 180 in the calculator and subtract the given angles.
4. The number left will be the measure of the missing angle.
Determine the measure of the missing angle for the following triangle:

___, 45^o, 45^o
1. 90^o
2. The sum of the angles of a triangle is 180^o.
3. Simply put 180 in the calculator and subtract the given angles.
4. The number left will be the measure of the missing angle.
Determine the measure of the missing angle for the following triangle:

___, 60^o, 60^o
1. 60^o
2. The sum of the angles of a triangle is 180^o.
3. Simply put 180 in the calculator and subtract the given angles.
4. The number left will be the measure of the missing angle.
Determine the measure of the missing angle for the following triangle:

___, 80^o, 80^o
1. 20^o
2. The sum of the angles of a triangle is 180^o.
3. Simply put 180 in the calculator and subtract the given angles.
4. The number left will be the measure of the missing angle.
Determine the measure of the missing angle for the following triangle:

___, 60^o, 70^o
1. 50^o
2. The sum of the angles of a triangle is 180^o.
3. Simply put 180 in the calculator and subtract the given angles.
4. The number left will be the measure of the missing angle.
Determine the measure of the missing angle for the following triangle:

___, 20^o, 70^o
1. 90^o
2. The sum of the angles of a triangle is 180^o.
3. Simply put 180 in the calculator and subtract the given angles.
4. The number left will be the measure of the missing angle.
Determine the measure of the missing angle for the following triangle:

___, 40^o, 40^o
1. 100
2. The sum of the angles of a triangle is 180^o.
3. Simply put 180 in the calculator and subtract the given angles.
4. The number left will be the measure of the missing angle.
Determine the measure of the missing angle for the following triangle:

___,30^o, 50^o
1. 100^o
2. The sum of the angles of a triangle is 180^o.
3. Simply put 180 in the calculator and subtract the given angles.
4. The number left will be the measure of the missing angle.
Determine the measure of the missing angle for the following triangle:

___, 100^o, 35^o
1. 45^o
2. The sum of the angles of a triangle is 180^o.
3. Simply put 180 in the calculator and subtract the given angles.
4. The number left will be the measure of the missing angle.
Determine the measure of the missing angle for the following triangle:

___, 55^o, 65^o
1. 60^o
2. The sum of the angles of a triangle is 180^o.
3. Simply put 180 in the calculator and subtract the given angles.
4. The number left will be the measure of the missing angle.
Determine the measure of the missing angle for the following triangle:

___, 5^o, 70^o
1. 105^o
2. The sum of the angles of a triangle is 180^o.
3. Simply put 180 in the calculator and subtract the given angles.
4. The number left will be the measure of the missing angle.
Determine the measure of the missing angle for the following triangle:

___, 90^o, 80^o
1. 10^o
2. The sum of the angles of a triangle is 180^o.
3. Simply put 180 in the calculator and subtract the given angles.
4. The number left will be the measure of the missing angle.
Determine the measure of the missing angle for the following triangle:

___, 115^o, 25^o
1. 40^o
2. The sum of the angles of a triangle is 180^o.
3. Simply put 180 in the calculator and subtract the given angles.
4. The number left will be the measure of the missing angle.
Determine the measure of the missing angle for the following triangle:

___, 25^o, 85^o
1. 70^o
2. The sum of the angles of a triangle is 180^o.
3. Simply put 180 in the calculator and subtract the given angles.
4. The number left will be the measure of the missing angle.
Determine the measure of the missing angle for the following triangle:

___, 120^o, 55^o
1. 5^o
2. The sum of the angles of a triangle is 180^o.
3. Simply put 180 in the calculator and subtract the given angles.
4. The number left will be the measure of the missing angle.
The perimeter of a given triangle is 24 cm. Determine the measure of the missing side for the following triangle:

___, 6 cm, 6 cm
1. 12 cm
2. Perimeter minus known sides = missing side.
The perimeter of an equilateral triangle is 21 cm. What is the measure of each side?
1. 7 cm
2. Explain
The perimeter of a given triangle is 31 cm. Determine the measure of the missing side for the following triangle:

___, 12 cm, 8 cm
1. 11 cm
2. Perimeter minus known sides = missing side.
The perimeter of a given triangle is 46 cm. Determine the measure of the missing side for the following triangle:

___, 15 cm, 12 cm
1. 19 cm
2. Perimeter minus known sides = missing side.
The perimeter of a given triangle is 15 cm. Determine the measure of the missing side for the following triangle:

___, 5 cm, 6 cm
1. 4 cm
2. Perimeter minus known sides = missing side.
The perimeter of a given triangle is 18 cm. Determine the measure of the missing side for the following triangle:

___, 5 cm, 5 cm
1. 8 cm
2. Perimeter minus known sides = missing side.
The perimeter of a given triangle is 30 cm. Determine the measure of the missing side for the following triangle:

___, 10 cm, 10 cm
1. 10 cm
2. Perimeter minus known sides = missing side.
The perimeter of a given triangle is 35 cm. Determine the measure of the missing side for the following triangle:

___, 12 cm, 10 cm
1. 13 cm
2. Perimeter minus known sides = missing side.
The perimeter of a given triangle is 44 cm. Determine the measure of the missing side for the following triangle:

___, 16 cm, 20 cm
1. 8 cm
2. Perimeter minus known sides = missing side.
The perimeter of an equilateral triangle is 51 cm. What is the measure of each side?
1. 17 cm
2. Explain