calebjw02 calebjw02

01-04-2021
Mathematics

contestada

help another difficult question

help another difficult question class=

Respuesta :

karkismriti176 karkismriti176

01-04-2021

Answer:

70

Step-by-step explanation:

7x + 8x + 3x = 180 ( sum of angles of triangle)

18x = 180

x= 180/18

x= 10

angle A = 7x = 7×10 = 70

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