Exercise
Triangular Pyramid Nets - Face Areas
Examine nets of triangular pyramids to calculate face areas and total surface area. Calculate the area of each triangular face to complete the total sum.
Questions
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MultiChoice
A net of a regular tetrahedron consists of 4 equilateral triangles, each with an area of 12 sq cm. What is the total surface area?
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MultiChoice
A triangular pyramid net has a base triangle with area 15 sq cm and three identical side triangles each with area 10 sq cm. What is the total surface area?
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MultiChoice
How many total triangular faces are in the net of a triangular pyramid?
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MultiChoice
In a net of a triangular pyramid, each of the 4 faces is an equilateral triangle with a base of 6 cm and height of 5.2 cm. What is the total surface area?
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MultiChoice
A triangular pyramid net has a total surface area of 80 sq in. If all 4 triangular faces are congruent, what is the area of one face?
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MultiChoice
A triangular pyramid net has a base area of 24 sq cm and lateral faces with areas 18, 18, and 18 sq cm. What is the total surface area?
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MultiChoice
A net of a triangular pyramid shows a base with length 8 cm and height 6 cm. The three lateral triangles each have base 8 cm and height 10 cm. What is the total surface area?
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MultiChoice
What is the lateral surface area of a triangular pyramid net if its 3 lateral triangular faces each have an area of 14 sq cm?
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MultiChoice
The net of a triangular pyramid has a total area of 100 sq cm. If the base triangle area is 28 sq cm, what is the sum of the areas of the 3 lateral faces?
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MultiChoice
A regular triangular pyramid net is made of 4 triangles with base 10 cm and height 8.7 cm. What is the total surface area?
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MultiChoice
In a triangular pyramid net, if the base triangle area is 16 sq m and each of the 3 side triangles has area 12 sq m, what is the total surface area?
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MultiChoice
How many bases does the net of a triangular pyramid have?