johnsonnariahae johnsonnariahae

07-11-2018
Mathematics

contestada

find the m <3 if m<5=130 and m<4 =70

find the m lt3 if mlt5130 and mlt4 70 class=

Respuesta :

tramserran tramserran

07-11-2018

Answer: 60°

Step-by-step explanation:

∠5 and ∠2 form a Linear Pair so their angles are supplementary.

∠5 + ∠2 = 180

130 + ∠2 = 180

∠2 = 50

∠2 + ∠3 + ∠4 = 180 Triangle Sum Theorem

50 + ∠3 + 70 = 180

∠3 + 120 = 180

∠3 = 60

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