bbeth6945 bbeth6945

09-08-2019
Mathematics

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WILL GIVE BRAINLIST FOR RIGHT ANSWER

WILL GIVE BRAINLIST FOR RIGHT ANSWER class=

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jimrgrant1 jimrgrant1

09-08-2019

Answer:

y = 50°

Step-by-step explanation:

The main diagonal BD is the perpendicular bisector of AC

The main diagonal BD bisects ∠ABC

∠ABD = 180° - (90 + 40)° = 180° - 130° = 50°

∠ABD = ∠CBD

Hence y ∠CBD = y = 50°

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