Formulas
Calculate Area
Composite Figures
Triangles and Shaded Areas
Perimeter
100
What is the formula for area of a triangle?
Base times height divided by 2
100
Find the area of the rectangle.
36.54 ft2
100
What is the area of the following shape?
What is 220 sq. units?
100
What is the area of a trapezoid with b1 = 4 cm, b2 = 6 cm, and the height is 5 cm.?
What is 25 sq. cm.?
100
Kayla wants to build a fence in her backyard. The length of her backyard is 30 feet and the width is 45 feet. How many feet of fence will she need to buy?
150 feet
200
What is the Area formula for a rectangle?
A = B x H
200
What is the area of this triangle?
A = 10.15 ft2
200
What is the area of the whole figure?
What is 278 sq. ft?
200
What is the area of a triangle with a base of 15 cm and h = 8 cm?
What is 60 sq. cm?
200
Find the perimeter of this triangle.
18 in
300
How do you calculate the area of a trapezoid?
(Base plus Base) times height divided by 2
Area of the rectangle plus area of the triangle
300
Find the area of the parallelogram with a base of 15m and a height of 12m
180m2
300
If a Square has an area of 25 and a triangle shares a side with it, and the area of both shapes added together equal 30, what is the base of the triangle?
2
300
What is the area of the shaded part of this figure?
What is 106 m2?
300
Henrik drew a pentagon that has a perimeter of 11 centimeters. What is the missing side length for this pentagon?
1 centimeter
400
What is the formula for area of a circle?
pi x r2
400
What is the area of a circle with a radius of 2?
A = 12.56
400
What is the area of this figure?
What is 52 sq. cm?
400
Find the area of the triangle where the base is 33 m and h = 10 m.
What is 165 sq. m?
400
What is the perimeter of this parallelogram?
9 m
500
What is the formula for circumference of a circle?
pi x d or pi x 2 x r
500
D1=5,D2=4
Calculate the area of the shape.
10 m2
500
What is the area of this shape?
What is 111 cm2?
500
What is the area of the shaded part of this figure?
What is 60 cm2?
500
The diameter of a circle is 8 centimeters. What is the circle's circumference?
25.12 centimeters