Math 7 EXT Weekly Flashcardizz #18 2024-25

Front

What are vertical angles?

Back

Angles that are opposite of each other when lines intersect.

Front

What are supplementary angles?

Back

Two angles that add up to 180°.

Front

If two angles are supplementary and one angle measures (3x)° and the other (10x - 15)°, what is the value of x?

Back

x = 15.

Front

Calculate the surface area of a rectangle with length 12 m and width 15 m.

Back

Surface area = 180 m².

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Front

If a firetruck parks 25 feet away from a building and extends its ladder 65 feet, how far up the building does the ladder reach?

Back

60 feet.

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

Find the missing side length if one side is 72 and the other is 84 in a right triangle.

Back

The missing side length is 72.

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2 * π * radius.

Front

What is the definition of complementary angles?

Back

Two angles that add up to 90°.