alleryએક કેન્દ્રસ્થ ખૂણો 80° છે. તે જ ચાપ પરનો અંતર્ગત ખૂણો કેટલો થાય?
A40°
B160°
C20°
D80°
Answer & Solution
Correct answer: A. 40°
તે જ ચાપ પરનો કેન્દ્રસ્થ ખૂણો અંતર્ગત ખૂણા કરતાં બમણો હોય છે, તેથી 80/2 = 40 અંશ થાય.
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