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WorksheetsGrade 8A End of Week 11 Test
Total questions: 20
Worksheet time: 1hrs 19mins
Valeria created a triangular pyramid as part of her science fair project. The triangular base has a height of 8 cm and a length of 6 cm. The height of the pyramid is 12 cm. Determine the volume of Valeria's pyramid.
288 cm3
192 cm3
576 cm3
96 cm3
is 7 feet. The wood costs $3 per cubic foot. What is the cost of the sign?
The height of the pyramid is...
12mm
10mm
15mm
Triangular Prism
Triangular Pyramid
Rectangular Prism
Rectangular Pyramid
Find the surface area of a triangular pyramid with base lengths of 10 and base height of 8.7 and slant height of 14.
609 m2
210 m2
297 m2
253.5 m2
What is the total surface area of the pyramid in square feet? (Do not include units in your answer, just the number)
(a)
What is surface area?
The measure of the amount of space inside of a solid figure
The sum of all the areas of the sides of an object
Calculate the surface area of a rectangular prism with base sides of 6.5 feet and 8 feet, and a height of 3 feet.
156 ft.2
174 ft.2
191 ft.2
312 ft.2
Challenge question: Find the surface area of this compound shape. When finding the surface area, the faces that overlap are left out of the problem. So you wouldn't include the bottom of the pyramid or the top of the rectangular prism when finding your answer.
480 cm2
152 cm2
19 cm2
184 cm2
A planter in the shape of a square pyramid is being filled with soil. Soil cost $0.78 per cubit cubic foot. What is the volume of the planter?
41472 in3
24 ft3
8 ft3
6.24 ft3
The volume and height of a square pyramid are 1275 cm3 and 17 cm respectively. Find the length of the side of the base.
15 cm
18 cm
12 cm
9 cm
The volume of a pentagonal pyramid is 80 cm3 . If the base area of the pyramid is 40 cm2 . What is the height of the pyramid?
6 cm
8 cm
12 cm
4 cm
The diagram shows a right square pyramid VABCD, with AB = 10 cm and height VN = 12 cm. Calculate the total surface area of the pyramid.
360 cm2
300 cm2
320 cm2
160 cm2
