Answer:47.5%
Step-by-step explanation:
61-32=29
(29/61)x100=47.5%
Answer:3
explation:square have 4 side
perimetter of square=4l
so, 12/4=3
H= (2pier^2)/ 2pier all subtracted by s so the last equation from the picture.
Hope it helps!
The area of a triangle is given by the formula

, where B is the base and h is the height. We can rearrange this formula to solve for B.

.
We plug in the given area, 640 square millimeters, and the given height, 32 millimeters.

.
40 mm is our final answer.