Question

Answer both questions please

Answer 1

#4
3^2 + 4^2
= 9 + 16
= 25
so  hypo = 5

P of triangle = 3+4+5 = 12
answer
B. 12 (second choice)

#5
an equilateral has all sides equal so
P = 3 x 20 = 60

answer
C. 60 (third choice)