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kakasveta [241]
3 years ago
14

A triangular pyramid has a right triangle for its base. The perpendicular sides of the triangle are 10 inches and 18 inches long

.
Compute the volume of the triangular pyramid if the height is 14 inches.
Mathematics
1 answer:
igor_vitrenko [27]3 years ago
6 0
The formula for a triangular pyramid is 1/3AH. A is the area of the base. H is the height of the pyramid. So to find the area of a right triangle, you would use the formula (a x b)/2. So (10 x18)/2 is 90 inches^2. Now you can fill in the first formula. 1/3(90 x 14), which equals 420 inches^3. I hope you find this helpful (if correct.)
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