Quadrilateral ABCD is inscribed in a circle.
1 answer:
When a quadrilateral is inscribed in a circle, the opposite angles are supplementary.
x + 2 + 3x + 6 = 180
4x + 8 = 180
4x = 172
x = 43
Now solve for A
3(43) + 6 = A
129 + 6 = A
135 = A
The measure of angle A is 135 degrees.
Hope this helps =)
You might be interested in
Answer:
y=-4x+19
Step-by-step explanation:
Plug into point-slope formula
y-y1=m(x-x1)
y-(-1)=-4(x-5)
y+1=-4x+20
-1 -1
y=-4x+19
Answer:
A on edge 2020
Step-by-step explanation:
Answer:
28.857
Step-by-step explanation:
PEMDAS
(9)(5) + 8
45 + 8
53
Answer:
Hello,
742/27 (ft)
Step-by-step explanation:

