Inch Pyramid
Inch Pyramid
Determine the angular size of a square pyramid?
Please help me make this work the question: Find height of slope of a square pyramid with a total surface area of 119 square inches and the base length of 7 inches each. Thank you in advance !!!!!!! 
area of the base in 49 (7 * 7), so surface of the 4 triangular sides is 119-49 = 70. from all 4 sides of the pyramid are triangles and squares are all the same size, divide by 4 and each triangle is 17.5 square inches. Since base is 7 and the area is 17.5 Formula area key to finding high. 17.5 = 1 / 2 * 7 * H 17.5 = 3.5 * H 3.5 = h Now each side, you have 2 triangles. Legs (Base) are half of 7 (or 3.5!) And h = 5. Use the Pythagorean Theorem to find the hypotenuse h ^ 2 = 3.5 ^ 2 +5 ^ 2 h ^ 2 = 12.25 +25 h ^ 2 = 37.5 h = 6.1032778 hope it works for you
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