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Verdich [7]
3 years ago
15

Could you please help me

Mathematics
1 answer:
Dmitrij [34]3 years ago
8 0
∠GBE = y (alternate angles)

∠DBG + ∠GBE = 180 (Adjacent angles on a straight line adds up to 180)
⇒ x + y = 180

∠DBG = ∠ABE (Vertially opposite angles)
⇒ x = 5y - 18

--------------------------------------------------
Solve for x and y :
--------------------------------------------------
x + y = 180 -------- (1)
x = 5y - 18 --------- (2)

Sub (2) into (1) :
5y - 18 + y = 180 
6x = 198
x = 33 --------- Sub into (1)
x + y = 180
33 + y = 180
y = 147

-----------------------------------------------------
Answer: x = 33°, y = 147°
-----------------------------------------------------

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