Answer: 180cm
Explanation:
The area of a triangle is 1/2(b)(h).
The height of the triangles is 12cm and the base is 6cm.
1/2(6)(12) = 36cm
Multiply by 4 = 144
For square: 6 • 6 = 36cm
144cm + 36cm = 180cm
HCF is 7 do you need explanation
The yearly rate of appreciation is 6,333.3%
(I'm pretty sure I did that right)
It’s option 2 my guy you’re welcome