Answer:
S=R
75+75=150
360-150=210
210/2=105
y=105
7+28
(7)(1) + (7)(4)
7(1 + 4)
Acute angle, right angle, obtuse angle and reflex angle.
Step-by-step explanation:
Acute angle -
0° < θ < 90°
Right angle -
θ = 90°
Obtuse angle -
90° < θ < 180°
Reflex angle -
θ > 180°