77.33 percent Because 58/75=0.7733 which correlates to 77.33 percent.
5x+ 7x+ 9+ 27= 180
12x+ 36= 180
12x= 144
x= 12
Answer:
625 unit²
Step-by-step explanation:
Surface area of a rectangular pyramid :
Area of base * 4(area of triangular side)
Area of base = length * width
Area of base = 15 * 15 = 225
Height of triangular side = 15
Area of triangle = 1/2 * base * height
Area of triangle = 1/2 *15 * 15 = 112.5 unit²
Surface area = 225 + 4(112.5)
Surface Area = 225 + 450
Surface Area = 625 unit²
Answer: 3
Step-by-step explanation:
3 x 3 x 3 x 3 is 81
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