Question

find LSA of the prism with sides of triangle base 12 CM 16 cm 20 cm and height is 15 CM

Answer 1

Solution:

Given:
Triangle of sides 12cm,16cm and 20 cm
with height 15cm,/

LSA of prism= area of 3 rectangular base = 3 x (20)(15)
                                                                         = 3 x 300
                                                                         =900cm²

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