Area=width*height
area=(11.7)*(15.4)
area=180.18cm^2
Answer:
144=12², so 144^3/2=(12²)^(3/2)=12³=1728.
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Answer:
2.25
Step-by-step explanation:
25% is a quarter
therefore a quarter of 9 is
0.25×9
=2.25
9514 1404 393
Answer:
288 km²
Step-by-step explanation:
The surface area is the sum of the area of the square base and the area of the four triangular faces.
SA = (10 km)² + 4(1/2)(10 km)(9.4 km) = 288 km²
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The area formulas for a square and a triangle are ...
A = s² . . . . area of a square of edge length s
A = 1/2bh . . . . area of a triangle with base b and height h
