Step-by-step explanation:
I dont remember perimeter but area is A= 1/2 bh


Therefore, the man is shorter than 141 centimeters.
It's a parallelogram so if one angle is 90 degrees they all will be because of transverse angles and all that good stuff.
So we're given the diagonal of a rectangle and one side and we're asked to find the other. The diagonal of a rectangle is the hypotenuse of the right triangle whose legs are the sides of the rectangle. So this is a Pythagorean Theorem question in disguise:




Answer: 140 cm
I don't recall seeing this Pythagorean Triple before.
Y^2-y^1/x^2-x^1
15-10/1-3
slope = -5/2