lexied2303 lexied2303

27-11-2018
Mathematics

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BCDE is a parallelogram.

What is the measure of ∠BEC?

Enter your answer in the box.

BCDE is a parallelogram What is the measure of BEC Enter your answer in the box class=

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27-11-2018

Answer:

80°

Step-by-step explanation:

∠CBE = 60°

∠BCE = ∠CED = 40°

∠BCE + ∠CBE + ∠BEC = 180° Substitute values

∠BCE + 60° + 40° = 180°

∠BCE + 100° = 180° Subtract 100° from each side

∠BCE = 80°

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shyvizzle05 shyvizzle05

03-04-2019

Answer:

80 degrees

Step-by-step explanation:

please add me on $napchat @shyvizzle

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