Ca0thebleigso5pier Ca0thebleigso5pier

23-07-2016
Mathematics

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In parallelogram ABCD, m∠BAC = 40.62°and m∠BCA = 30.96°. What is m∠BAD?

a. 108.42°
b. 81.24°
c. 71.58°
d. 61.92°

Respuesta :

Аноним Аноним

27-07-2016

The answer is letter a. m∠BAD = 108.42°

The solution is as follows:
If m∠BAC = 40.62° and m∠BCA = 30.96°, then
m∠CBA = 180° - m∠BCA - m∠BAC
m∠CBA = 108.42°

Since m∠BAD = m∠CBA due to the parallelogram's property,
m∠BAD = 108.42°.

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