Answer: Line R and Line P are perpendicular because they intersect at a point and create a pair of equal angles.
Step-by-step explanation:
You’re correct, it’s 16. Constant proportionality mean how much Y moves. So it’s 16!
1. 7 cm
2. 43 cm
Explanation: take the 15m and subtract 8 cm and for 2 add all the sides together to get 43