Area of Basic Shapes
Find the area of a triangle with a base of 18 and a height of 27.
243
Find the circumference of a circle with a diameter of 30 inches. Round to the nearest tenth.
94.2 in
Find the area of a regular pentagon with a side length of 12 and an apothem of 17.
510
What is the measure of the sum of the exterior angles for any polygon?
360 degrees
Find the arc length of a circle with an angle of 130 degrees and a radius of 5. Round to the nearest tenth.
11.3
Find the area of a trapezoid with one base of 4.5, another base of 6.8, and a height of 3.
16.95
Find the circumference of a circle with a radius of 4 cm. Round your answer to the nearest tenth.
25.1 cm
Find the area of a regular nonagon with a side length of 3.1 and an apothem of 8.9. Round to the nearest tenth.
124.2
What is the measure of the sum of the exterior angles for an octagon?
360 degrees
Find the arc length of a circle with an angle of 214 degrees and a diameter of 12. Round to the nearest tenth.
22.4
The base of a triangle is three times it's height. If the area of a triangle is 54 square inches, find it's height.
6 inches
Find the area of a circle with a radius of 13 in. Round your answer to the nearest tenth.
530.9 in2
Find the area of a regular hexagon with side length of 6 cm. Round to the nearest tenth.
93.5 cm2
What is the interior angle sum for a hexagon?
720 degrees
Find the sector area of a circle with an angle of 65 degrees and a radius of 7. Round to the nearest tenth.
27.8
A trapezoid has a height of 4 meters, a base length of 9 meters, and an area of 35 square meters. What is the length of the other base?
8.5 meters
Find the area of a circle with a diameter of 11.2 cm. Round your answer to the nearest tenth.
98.5 cm2
Find the area of a regular hexagon with side length of 14 cm. Round to the nearest tenth.
509.2 cm2
What is the measure of one exterior angle of a square?
90 degrees
Find the sector area of a circle with an angle of 98 degrees and a diameter of 15. Round to the nearest tenth.
48.1
Find the area of a parallelogram with base length 20, side length 16, and base angle of 60 degrees. Round your answer to the nearest tenth.
277.1
Find the area of a circle with a circumference of 34pi inches. Round to the nearest tenth.
907.9 in2
Find the area of a regular octagon with a perimeter of 128 inches. Round to the nearest tenth.
1235.2 in2
What is the measure of one interior angle of a regular pentagon?
108 degrees
Find the sector area of a circle with an angle of 120 degrees and a radius of 10. Leave your answer as a fraction and leave pi in your answer.
100/3 pi