Answer:
∠ 1 = 75°
Step-by-step explanation:
∠ 1 and 75° are corresponding angles and are congruent , then
∠ 1 = 75°
Answer:
x = 20°
Step-by-step explanation:
x + 2x + (x+10) =90° {being a right angle triangle}
3x + x + 10 = 90°
or, 4x = 90° - 10°
or, 4x = 80°
or, x = 80°/4
so, x = 20°
Yes because 3 is less than or equal to 20
