Basic Geometry Formulas

Question 1

Find the CIRCUMFERENCE of this circle "in terms of pi (π).

Accepted Answer

14π in

Question 2

What is the formula for the AREA of a Circle?

Accepted Answer

A = πr2

Question 3

When asked to leave an answer "in terms of pi (π)", what are you supposed to do?

Accepted Answer

NOT multiply the answer by 3.14

Question 4

Use the diagram: Circle = 6" diameter. Find the remaining AREA of the rectangle. Rnd to 10th.

Accepted Answer

83.7 in2

Question 5

Find the AREA of this shape.

Accepted Answer

44mm2

Question 6

Find the PERIMETER of this shape

Accepted Answer

30mm

Question 7

Find the AREA of this shape.

Accepted Answer

54.76m2

Question 8

In the diagram, Which part of the circle is the DIAMETER?

Accepted Answer

B

Question 9

Find the PERIMETER of this shape.

Accepted Answer

29.6m

Question 10

Find the AREA of a Triangle with a base of 5.5 in. and a height of 2.25in.

Accepted Answer

6.1875 in2

Question 11

What is the formula for the CIRCUMFERENCE of a Circle?

Accepted Answer

C = 2πr, C = πd

Question 12

Which is the correct formula for the AREA of a Triangle?

Accepted Answer

A = bh/2

Question 13

Which is the correct formula for the AREA of a Rectangle?

Accepted Answer

A = bh

Question 14

Find the AREA of this circle "in terms of pi (π).

Accepted Answer

49π in2

Question 15

In the diagram, Which part of the circle is the RADIUS?

Accepted Answer

A

Question 16

In the diagram, Which part of the circle is the CIRCUMFERENCE?

Accepted Answer

C

Questions 16