23° A 6cm B 13cm C In triangle ABC, AB =6cm,BC =13cm andangleACB = 23°. Calculate angle BAC, which is obtuse.
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Answer:
√BAC= 44°
Step-by-step explanation:
A=6cm B= 13cm
Obtuse angle =120°cm
6×13=78°cm
120°-78°
obtuse angle=44°cm
√ACB - obtuse angle
23°-44°
√BAC = 21°cm
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