alexiwarren alexiwarren

11-12-2020
Mathematics

contestada

angles geometry, what is it?

angles geometry what is it class=

Respuesta :

the0ldkid the0ldkid

11-12-2020

Answer:

57

Step-by-step explanation:

If m<HIC is 99, so m<EIC is 81 (bc m<HIC + m<EIC = 180)

so m<GIH is also 81

m<HGI is the same with m<DGB =42

so:

42 + 81 + x =180

x = 180 - 42 - 81

x = 57

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