Answer:
10x.............
Step-by-step explanation:
or x=10
Answer:
x=25°, y=10°
Step-by-step explanation:
∠A+∠B=180°
8y+10y=180°
18y=180°
y=10°
∠B+∠C=180°
10y+4x-20°=180°
10*10°+4x=180°+20° (y=10°)
100°+4x=200°
4x=200°-100°
4x=100°
x=25°
Sorry but where is the picture? I’m confused..
Multiply
ignoring the square root sign for a moment to get
. Simplify
to get 20. so, your answer is B.