in the figure <AOB=60 degree. AB=3c.m .a) what is the measure of <A?. b) what is the radius of the Circle
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Step-by-step explanation:
(a)
Angle A + Angle B = 180-60=120
AO=BO. ( Radii)
therefore
angle A= angle B
A+B=120
A+A=120
2A = 120
A= 120/2 =60°
(b)
all angle are 60°
therefore
∆AOB is a equilateral triangle
AB=AO=BO
given that AB = 6cm
Radius AO= 6cm
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