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arlik [135]
3 years ago
11

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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8 0
3 years ago
Help ASAP!
Tema [17]

Answer:

B

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\boxed{area \: of \: sector =  \frac{1}{2} {r}^{2} θ }

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