Question

Answer the question of attachment​

Answer 1

Heya mate!!

$area \: of \: triangle = \frac{1}{2} \times 6.8 \times 10 = 34 {c}^{2}$

$area \: of \: parallelogram = 4 \times 34 = 136 {cm}^{2}$

$b \times h = 136 {cm}^{2} \\ b \times 17 = 136 {cm}^{2} \\ b = \frac{136}{17} \\ b = 8cm$

Hope it helps you dear✌️✌️