Answer:
<R = 158
Step-by-step explanation:
Supplementary angles equal 180 degrees.
<Q + <R =180
22 + <R = 180
Subtract 22 from each side
22-22 + <R = 180-22
R = 158
Answer:
10/23
Step-by-step explanation:
15/23 - 5/23 = <u>10/23(Ans)</u>
perimeter = sum of all sides
27 = 9+7.8+x
x (third side) = 10.2