The measure of angle is, ∠K=100,∠L=41,∠M=86 and ∠B= 100 Â
Given to figure are congruent
Fig 1.
ABCD
∠A=133 ......(∠A≅∠N)
What is the sum of all angle in ABCD?
The sum is ∠A+∠B+∠C+∠D=360 degrees
Therefore,
∠A+∠B+∠C+∠D=360 degrees
133+∠B+41+86=360
∠B=360-133+41-86
∠B= 100 Â
Fig .2
JKLM
∠K≅∠B
∠K=100
∠L≅∠C
∠L=41
∠M≅∠D
∠M=86
Therefore we get,
∠K=100,∠L=41,∠M=86 and ∠B= 100 Â
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