Answer:
rip just search em up and its kinda blurry sorry
Step-by-step explanation:
A.
If you roll up the quarter circle and cap the open end with the smaller circle, the resulting shape should be a cone.
Mabye try making the triangle a right triangle and use SohCahToa (sin, cos, tan) to figure out each angle?
Answer:
50°
Step-by-step explanation:
angle 5 = angle 4 ( Alternative Interior Angles are equal )
But angle 3 & angle 4 are linear pairs. So,
angle 3 + angle 4 = 180°
=> angle 3 + angle 5 = 180° (angle 5 = angle 4)
=> angle 3 + 130° = 180°
=> angle 3 = 180° - 130° = 50°