Answer:
x=30, A=132
Step-by-step explanation:
These 2 angels are alternate interior angles so they are equal
5x-18=3x+42
Solve.
2x=60
x=30
Now substitute x into angle A
A=150-18
A=132
Answer:
C -1
Step-by-step explanation:
This kind of triangle is acute triangle because on the given three angles, none of them does not exceed more than 90°.
The answer is A because 5 x 3/8 and 15 x 1/8 both equal 15/8.
