Flashcardizz #4: Triangles & Rounding

Front

What is the measure of the missing angle if two angles are 90° and 40°?

Back

The missing angle is 50°.

Front

What are adjacent angles?

Back

Adjacent angles are angles that are next to each other.

Front

In the number 520.345, which digit is in the tenths place?

Back

The digit in the tenths place is 3.

Front

What are remote interior angles?

Back

Remote interior angles are the angles that are opposite the exterior angle in a triangle.

Front

How do you round the decimal 5.67 to the nearest tenth?

Back

5.67 rounded to the nearest tenth is 5.7.

Front

What is the sum of the angles in a triangle?

Back

The sum of the angles in 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

What is the definition of supplementary angles?

Back

Supplementary angles are two angles whose sum is 180°.

Front

What is the definition of complementary angles?

Back

Complementary angles are two angles whose sum is 90°.

Front

What is the formula for the area of a triangle?

Back

The area of a triangle is given by the formula: Area = 1/2 * base * height.