Geometry Review 3/25

Front

What is the formula for the area of a circle?

Back

Area = π × r², where r is the radius.

Front

How do you find the area of a composite shape?

Back

Break the shape into simpler shapes, calculate their areas, and then sum them up.

Front

What are complementary angles?

Back

Two angles that add up to 90 degrees.

Front

What are supplementary angles?

Back

Two angles that add up to 180 degrees.

Front

If the circumference of a circle is 2πr, what does r represent?

Back

r represents the radius of the circle.

Front

How do you calculate the circumference of a circle with a known radius?

Back

Circumference = 2 × π × r.

Front

What is the surface area of a rectangular prism?

Back

Surface Area = 2(lw + lh + wh), where l is length, w is width, and h is height.

Front

What is the area of a rectangle?

Back

Area = length × width.

Front

What is the area of a triangle?

Back

Area = 1/2 × base × height.

Front

How do you find the radius if you know the circumference?

Back

Radius = Circumference / (2π).