Question

Is this all are correct ..if not pls correct them...

Answer 1

HEY MATE HERE IS YOUR ANSWER

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${Answer :-}$ Hey all are correct

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Hope it will help you

@thanksforquestion

@bebrainly

Answer 2

Shape                   Area                           Perimeter

Triangle                1/2*bh                         Sum of all sides

Rectangle             l*b                               2(l + b)

Square                 S^2 (S*S)                     4S

Circle                    $\pi r^2$                              2$\pi r$

Semi - Circle        $\pi r^2/2$                          2$\pi r/2$

Parallelogram     b*h                             2(a + b)

Hope it helps :)