Question

пж помогите пожалуйста​

Answer 1

$s = \frac{1}{2} ah$

$s _{a} = \frac{1}{2} \times 6 \times 5 = 3 \times 5 = 15 \: \: cm {}^{2}$

$s _{b} = \frac{1}{2} \times 10 \times 3 = 5 \times 3 = 15 \: \: cm {}^{2}$

$s _{c} = \frac{1}{2} \times 8 \times 4 = 8 \times 2 = 16 \: \: cm {}^{2}$