Answer:
x = 9
Step-by-step explanation:
10x - 8 = 82
+ 8 + 8
10x = 90
/ 10 / 10
x = 9
15.5 15.5 x 2 = 31. hope this helps
Answer:
A. 40
Step-by-step explanation:
In such a geometry the measure of the angle is the average of the measures of the intercepted arcs.
∠1 = ∠3 = (50° +30°)/2 = 40°
We can complete the square to rewrite 
as
Then solve for when 
:
Answer:
156 cm²
Step-by-step explanation:
Area of Triangle
= 1/2 * b * h
= 1 /2 * (17 - 9) * 12
= 6 * 8
= 48 cm²
Now
Area of parallelogram
= b * h
= 9 * 12
= 108 cm²
Total area
= (48 + 108) cm²
= 156 cm²
