Question

hey guys please answer my question..........​

Answer 1

Answer:

area=

$\frac{1}{2} \times height \times (a + b) \\ \\ now \: here \\ a = 12m \: b = 8m \: \: area = 82m {}^{2} \\82 = \frac{1}{2} \times height \times (12 + 8) \\ height = \frac{164}{20} = 8.2 \: meter$

Answer 2

Answer:

area=

×height×(a+b)

nowhere

a=12mb=8marea=82m

2

82=

2

1

×height×(12+8)

height=

20

164

=8.2meter