How do you calculate the perimeter of a triangle?
Add the three sides together
How do you calculate the perimeter of a rectangle?
Add up all four sides
or
2 x length + 2 x width
How do you calculate the area of a parallelogram?
base x height
or
A = BH
What is the perimeter of a triangle with two equal sides of 55 mm and a base of 35mm?
145 mm
A circle has a radius of 20 cm. What is the diameter of the circle?
40 cm
What is the formula for area of a triangle?
or
Area = base x height divided by 2
What is the perimeter of this rectangle?
104 mm
What is the perimeter of this shape:
124 m
Mary wants to build a fence for a 25 ft by 30 ft rectangular garden. Each foot of fence costs $20. How much money will it cost her?
$2,200
What is the circumference if radius = 8 cm
50.24 cm
What is the perimeter of this triangle:
203 cm
What is the perimeter of this rectangle?
74 mm
What is the area of the parallelogram:
7,360 cm2
A circle has a diameter of 15 meter. What is the area of this circle?
176.625 m2
A regular lawn contains TWO circular gardens each with diameter of 5m. What is the total circumference?
Circumference of one garden: 15.7m
Circumference of two gardens: 31.4m
What is the area of this triangle?
3 km2
What is the area of this rectangle?
26.66 m2
What is the area of this parallelogram?
440 cm2
A triangle has an area of 60 m2. If the base of the triangle is 12 m, what is the height?
10 m
A garden measuring 40 m in diameter would have an area of what? Use 3.14 for pi.
1,256 m2
What is the area of this triangle?
0.7 m2
What is the height of a rectangle with base length 25 cm has an area of 375 cm2.
15 cm
What is the perimeter of this parallelogram?
116 cm
A rectangle has an perimeter of 120 cm. The length is 40 cm. What is the width?
20 cm
If a round swimming pool is 75 m across, what is the distance around the outside?
235.5 m