Question

The base of prism is tringular in shpe with side 3 cm ,4cm , 5 cm find the volume of of the if its height is 10cm​​

Answer 1

Answer:

Given, sides of prism are 3 cm, 4 cm and 5 cm and height =10 cm

Let s be the semi-perimeter of the triangular base of the prism.

Then S= 23+4+5​=6 cm

Therefore, the area of the prism = s(s−a)(s−b)(s−c)

​

= 6(6−3)(6−4)(6−5)

​

= 6×3×2×1

​

= 36

​=6 sq. cm.

Then volume of the prism =area of base×height

= 6×10

= 60 cu.cm

Step-by-step explanation:

Answer 2

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