3 years ago

Can someone help me out with this question as I’m completely stuck

Mathematics

1 answer:

nevsk [136]3 years ago

5 0

Answer:

Step-by-step explanation:

∠BEF = ∠ABE {Alternate interior angle}

∠BEF = 60

∠EQR = ∠ BEF {Corresponding angles}

∠EQR = 60

In ΔEQR

∠QER + ∠EQR + ∠ERQ = 180 {angle sum property}

80 + 60 +x = 180

140 + x = 180

x = 180- 140

x = 40

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