The volume of a square prism with height of 21 inches and each side of the base s inches is given by the expression 7s2. Find th
1 answer:
Answer:
63 cubic inches.
Step-by-step explanation:
The volume of a prism is given by, A =
The base area for a square prism with sides s inches is s² sq. inches.
So, the volume of a square prism with a height of 21 inches and each side of the base s inches is given by the expression, V = 7s² cubic inches.
Therefore, if s = 3 inches, then volume will be, V = 7(3²) = 63 cubic inches. (Answer)
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Answer:
d) 24.2 cm²
<em>Area of equilateral triangle A = 24.22 cm²</em>
Step-by-step explanation:
<u><em>Step(i)</em></u>:-
<em> Perimeter of equilateral triangle = 3 a</em>
Given Perimeter of equilateral triangle = 22.45 cm
now 3 a = 22.45
Dividing '3' on both sides,we get
a = 7.48 cm
<u><em>Step(ii):</em></u>-
<em>Area of equilateral triangle</em>
<em> </em><em></em>
<em> </em><em></em>
<em> A = 24.22 cm²</em>
<u><em>Conclusion</em></u><em>:-</em>
<em>Area of equilateral triangle A = 24.22 cm²</em>