Answer:
its d
Step-by-step explanation:
i just took it
Answer:
11
Step-by-step explanation:
apply pythagoras theorem
Answer:
5P= 2P+21+45 ( sum of two sides is is equal to
the opposite exterior angle)
5P=2P +61
5P-2P=61
3P=61
p= 61÷3
p=2.33333
t = mr^2/3
Divide both sides by r^2/3
m = t / r^2/3