Question

1/2×13×a=30cmsqaure.find a

Answer 1

1/2×13a=30

13a/2=30

13a = 30×2

a = 60/13

Hope it's help u!!!!

Answer 2

1/2 × 13 × a = 30 cm2

13 × a = 30 /1 - 1/2

13 × a = 60 - 1 / 2

13 × a = 79 / 2

a ===> 79 / 2 × 13

a ===> 79 / 26