Question

Help,./.,/.';';;'./.;'[./.; ;'.;/.';;'.;'

Answer 1

Answer:

11.971 - Option B

Step-by-step explanation:

Use the formula $\frac{1}{2} * a*b*sin(C)$:

$\frac{1}{2} * 7*10*sin(20) = 11.971$

11.971 - Option B

Answer 2

Answer:

draw with a ruler and calculate height then

1/2× base × height

you will get the answer