Find the surface area of the square pyramid shown
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Answer:
105 in²
Step-by-step explanation:
Altitude of triangle = 8 in
Base of triangle = 5 in
Side of square = 5 in
Surface area of square pyramid = (Area of square) + (4 × Area of triangle)
Area of square = (side)² = (5)² = 25 in²
Area of triangle = ½ × base × height = ½ × 5 × 8 = 20 in²
Area of square pyramid = (25) + (4 × 20) = 25 + 80 = 105 in²
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