Test 3-4 Period 3

Front

What is the measure of angle F in a triangle if the other two angles are 35° and 55°?

Back

Angle F = 110° (Sum of angles in a triangle is 180°)

Front

Find the measure of the missing angle in a triangle if the other two angles are 90° and 45°.

Back

Missing angle = 45°

Front

What type of triangle has one angle greater than 90°?

Back

Obtuse Triangle

Front

What is the measure of the missing angle if one angle is 139° and the other is 75°?

Back

Missing angle = 66° (Sum of angles in a triangle is 180°)

Front

What is the measure of x if the angles in a triangle are 40°, 49°, and x°?

Back

x = 91° (Sum of angles in a triangle is 180°)

Front

Define an isosceles triangle.

Back

An isosceles triangle has at least two sides of equal length and the angles opposite those sides are equal.

Front

What is the sum of the interior angles of a triangle?

Back

The sum of the interior angles of a triangle is always 180°.

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle measuring 90°.

Front

How do you find the measure of an exterior angle of a triangle?

Back

The measure of an exterior angle is equal to the sum of the measures of the two opposite interior angles.

Front

What is the definition of a scalene triangle?

Back

A scalene triangle is a triangle with all sides of different lengths and all angles of different measures.