For 9: All the angle should add up to 360 degrees.
So 152+50=202
360-202=158 degrees (Missing angle measure)
Method being used: All angle should add up to 360 degrees.
Answer:
x=-7
Step-by-step explanation:
-(x-13)=10(x+9)
distribute the negative on the left side and the 10 on the right side
-x+13=10x+90
add x on both sides
13=11x+90
subtract 90 on both sides
-77=11x
divide 11 on both sides
-7=x
x=-7
Answer:
324?
Step-by-step explanation:
It tells you the answer in the question?
Answer:
2401
Step-by-step explanation:
7 * 7 * 7 * 7 = 2401
