Answer:
It is B
Step-by-step explanation: n is -1.5 and m is 2.5
-1.5 + 2.5 = 2
(1/5)s = 5
s = 5:(1/5) = 5*5 = 25
Answer:
9: 89°
Step-by-step explanation:
Inside of a triangle is 180, so 180-39-52=89
I'm sorry I can't answer 10 for you
Answer:
u=-6
Step-by-step explanation:
we know that two similar triangles will have ratio corresponding side is same.
ratio triangle 1 is 75m^2.
and triangle 2 is 12m^2.

so we have ratio of area
.
ratio of perimeter will be
.
from these perimeter ratio also
.