Question

Complete the argument, giving a reason for each step.
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Answer 1

Answer:

a. Common

b.mangleAEC -mangleBEC=mangleBED- mangleBEC

MangleBEC is common

so, mangle AEB=mangle CED

Answer 2

Step-by-step explanation:

From the given figure:-

a) reflexive property (every angle is equal to itself)

b)cancelling angle BEC on both sides