Question

Can you help me with this...thank you​

Answer 1

Answer:

$a=\frac{1}{2}\times \: h(a+b)$

$\frac{1}{2 } \times 9(18 + 24)$

24 + 18=42

$= \frac{1}{2} \times 9(42)$

$\frac{1}{2} \times 378$

=189cm²

Step-by-step explanation:

just use the formula but I'm not sure if my calculation is correct lol

Answer 2

You solve by with by altitude! Hope it helps