Answer:
10.5
Step-by-step explanation:
Its a right triangle, and the units were on right there, so I found the perimeter of the square it would be, then divided it by 2, because 2 triangles make a square.
brainiest?
(9+12)/2 = 10.5
-r^7s^6t^4 as powers add when we multiply.
Answer:
B
Step-by-step explanation:
180-150=30
angle 3 is a right angle so it equals 90
all triangles add up to 180
so 90 + 30 is 120
180-120=60
a line is 180 degrees
so the answer is 120 B
Answer:
Markup amount = sellingprice - costprice
=12.50 - 5 = 7.5 is markup
C. 30 degrees because it mirrors the angle of P.
