Math, asked by krithiktejas, 5 months ago

In the given fig. DE || BC, LADE =70° and L BAC=50°, then angle
LBCA

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Answered by Bhuvashree

55

Answer:

ade=abc=70 degree( corresponding angles)

bac=50 degree

abc+bac+bca=180. angle sum property

70+50+bca=180

120+bca=180

angle bca=180-120=60

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