Math 7 EXT Weekly Flashcardizz #15 2024-25

Front

What is a right triangle?

Back

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

Front

How can you determine if three lengths can form a right triangle?

Back

Use the Pythagorean theorem: a² + b² = c², where c is the longest side.

Front

What are complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Front

Give an example of complementary angles.

Back

81° and 9° are complementary angles because 81 + 9 = 90.

Front

What are supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Front

What are vertical angles?

Back

Vertical angles are the angles opposite each other when two lines intersect; they are always equal.

Front

What is an angle bisector?

Back

An angle bisector is a line that divides an angle into two equal parts.

Front

Solve for x: 3(x + 1) - 5 = 5x - 2

Back

x = 0.

Front

Solve for x: 2(x + 5) - 7 = 3(x - 2)

Back

x = 9.

Front

What is the formula for finding the area of a triangle?

Back

Area = 1/2 * base * height.