Answer:
cosR = 
Step-by-step explanation:
assuming the right triangle has ∠ Q = 90° with legs 5 and 12
then this is a 5- 12- 13 right triangle with hypotenuse PR = 13 cm
then
cosR =
=
= 
Answer:
V=129659.9491≈129659.95
Step-by-step explanation:
very simple it's b. tell me if you need help with anything els
So whats the question lol