Circles
Triangles
Composite Figures
Formulas
100
The line segment whose endpoints are on the middle of the circle and the outside.
What is radius
100

Triangle height of 4cm and a base length of 7cm. What is the area?

14cm2

100

2 or more shapes combined

What is an Composite figure

100

base x height

What is area of a parallelogram/rectangle

200
The distance around the outside of the circle.
What is circumference
200

59,62,58. Do these angle measures create a triangle?

No.

200
This shape has two bases.
What is trapezoid
200
One half the base multiplied by the height
What is area of a triangle.
300

If the diameter is 4,500 then what is the area?

15,896,250

300

Do these side lengths make a triangle? 2,14,14

Yes
300

A 2D House has a height of 12m. From the ground to the bottom of the roof the height is 8 meters. The house is 4m wide. If the roof and the wall do not overlap what is the area of the 2D house?

64m2

300
Pi multiplied by the diameter or two times the radius multiplied by Pi
What is circumference
400

A line whose endpoints are on the ends of the circle and goes through the center.

What is Diameter

400

A triangle has a measurement off of a right angle from the bottom to the top of 2m, a base of 3.5m, and a diagonal of 6m. What is the area of the triangle?

3.5m squared

400

The design of a basketball key is made of these 2 shapes.

What is a rectangle and a semi circle

400

One half times base times height

What is Area of a triangle

500

A circle has a circumference of 78.5 inches. pi=3.14 What is the radius of the circle?

12.5in

500

How many triangles can be made with these three angles? 70, 92, 18

Infinite

500

A composite figure is made up of a triangle with a semicircle attached to its base. If the height of the triangle is 12 and it's base is 16, then what is the area of the entire composite figure?

196.48 units squared 

500

Pi multiplied by the radius to the second power ALL divided by two.

What is area of a semicircle

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