The Basics
Formulas
Figure it Out
More questions!
Circles
100
What is a composite figure?
A figure made from two or more geometric figures (or shapes).
100

What is the formula for finding area of a rectangle?

A=bh

100
A figure composed of two rectangles. Rectangle one has a base of 6 and a height of 4. Rectangle two has a base of 5 and a height of 4. Find the area.
What is 44?
100

What is Pi?

3.14159....

100

Define the radius of a circle.

The measurement from the middle of the circle to the edge.

200
How do you find the area of a composite figure?
Find the area of each figure and add them together.
200

What is formula for finding area of a triangle?

A=1/2bh

200
A figure is composed of a square and a triangle. The length of each side of the square is 4. The base of the triangle is 4 and the height is 7. Find the area.
What is 30?
200

What is the first step in finding the area of a composite figure?

Separating the figure into easily recognizable shapes.

200

Define the circumference of the circle.

The entire outside edge of the circle (the circles perimeter).

300

How do you find the area of the shaded region on a composite figure?

Find the area of each shape and then subtract the area not shaded from the total

300

What is the formula for the area of a trapezoid?

A=1/2(b1+b2)h

300
A figure is composed of a rectangle with two triangles on each end. The base of the rectangle measures 3 and the height measures 2. The base of EACH triangle is 2 and the height of each triangle is 6. Find the area.
What is 18.
300
!!DAILY DOUBLE!! Martina designed a painting on a canvas for an art project. The painting consists of 4 large circles with a radius of 6 inches. What is the total area of all four circles.
452.16 inches squared
300

A flowerpot has a circular base with a diameter of 27 centimeters. Find the circumference of the base of the flowerpot. Round to the nearest tenth.

84.8cm

400

What is the difference between the diameter and the radius of a circle?

The diameter goes across the entire circle and the radius goes halfway.

400
What is the area of a circle?
pi r squared
400

A figure is composed of a triangle and a semi-circle. The base of the triangle is 8 and the height is 4. The radius of the semi-circle is 6. Find the area.

What is 68.52?

400
Mrs. Watson has two whiteboards in her room. One is 3 ft. wide and 8 ft. long. The other is 2.5 ft. wide and 7 ft. long. What is the total area of the shape?
41.5ft.
400

A lawn sprinkler sprays water 5 feet in every direction as it rotates. What is the area of the sprinkled lawn?

78.5 feet2

500
What is the relationship of the circumference of a circle and it's diameter?

Pi (the diameter will always wrap around a circle 3.14159.... times)

500
What is the area of a semi-circle?
pi r squared divided by 2
500

A figure is composed of a rectangle, a triangle, and a semi-circle. The base of the rectangle is 3 and the height is 3. The triangle has a base of 3 and a height of 6. The semi circle has a radius of 4. Find the area.

What is 43.12?

500
Ms. Akers wants to build one large table with 5 smaller tables. The tables are measured in feet. The measurements are 3 by 8, 2 by 9, 5 by 25, 6 by 24, and 7 by 14. What is the total area of the large table?
409 ft. squared
500

The distance around the wheel of a truck is 9.42 feet. What is the diameter of the wheel?

3 feet