aroseetherton aroseetherton

25-04-2020
Mathematics

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work out and explain angle size - i will mark you as brainliest

work out and explain angle size i will mark you as brainliest class=

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nktselepov nktselepov

25-04-2020

∠AXY=∠XBC=55°(corresponding angles)

XB=XC⇒ΔXBC is isosceles, so ∠XBC=∠XCB=55°

The sum of all the angles in a triangle is 180°⇒

55°+55°+∠BXC=180°

∠BXC=70°

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