jenniehewitt5 jenniehewitt5

27-08-2018
Mathematics

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Lines g,h , and I are parallel and m 1=52 what is 11
A. 38
B.52
C.128
D.138

Lines gh and I are parallel and m 152 what is 11 A 38 B52 C128 D138 class=

Respuesta :

01-09-2018

∠3 and ∠11 are corresponding angle, therefore m∠3 = m∠11.

m∠1 + m∠3 = 180° → m∠1 + m∠11 = 180°

m∠1 = 52° → 52° + m∠11 = 180° |-52° → m∠11 = 128°

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