Formulas
Parallelograms/Rectangles
Circles
Triangles
Trapezoids
100
What is the formula for the area of a rectangle?
A = bh
100
Find the area for a rectangle when the base=6 and height=7
42 u2
100
Find the diameter of a circle when the radius=1.9 m
3.8 m
100
Find the area of a triangle when the base=5 and height=12
30 u2
100
Find the area of a trapezoid when the base1=7 m, base2=9 m, and height=3 m
24 m2
200
What is the formula for area of a parallelogram?
A = bh
200
Find the area for a parallelogram when the base=12 and height=9
108 u2
200
Calculate the area of a circle when r=4.7 mm. Use 3.14 for pi. Round to the nearest hundredth.
69.36 mm2
200
Find the area of a triangle when the base=7 and height=12
42 u2
200
Find the area of a trapezoid when the base1=4 in., base2=6 in., and height=7 in.
35 in2
300
What the formula for area of a triangle?
A = 1/2 x b x h
300
Find the area for a parallelogram when the base=14 and height=19
266 u2
300
Find the area of a circle when d=2.2 m. Use 3.14 for pi. Round your answer to the nearest hundredth.
3.80m2
300
Find the area of a triangle when the base=3 m and height=7 m
10.5 m2
300
Find the height of a trapezoid when the area=55 cm2, base1=6 cm, and base2=4 cm
11 cm
400
What is the formula for the area of a circle?
A = (pi) r2
400
Find the base of a parallelogram when the area=35 in2 and the length=7 in
5 in
400
Find the radius of a circle when the area=161.8 cm2. Use 3.14 for pi. Round to the nearest hundredth.
7.18 cm
400
Find the height of a triangle when the area=72 ft2 and base=12 ft
12 ft
400
Find the base2 of a trapezoid with a base1=3.5 ft, area=49.4 ft2, and height=10.4 ft
6 ft
500
What is the formula for area of a trapezoid?
A = (b1 + b2) x h / 2
500
Find the base of a parallelogram when the area=72 km2 and height=9 km
8 km
500
Find the diameter of a circle when the area=50.24 cm2. Use 3.14 for pi.
8 cm
500
Find the base of a triangle if the area=24 yd2 and the height=4ft
12 yd
500
Find the area of the shape.
225.3cm2