cmw1302 cmw1302

22-12-2020
Mathematics

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Please help ASAP it is about triangles

Please help ASAP it is about triangles class=

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kyra510 kyra510

22-12-2020

2x+3+51=4x+8 ( external angle =the sum of two opposite internal angles)

2x+54=4x+8

46=2x

x=23

4x+8=92+8=100 degrees

2x+3=46+3=49 degrees

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