rianna59879 rianna59879

06-02-2021
Mathematics

contestada

Given the diagram below, find the value of x:

a
27.5
b
62
c
8.5
d
31

Given the diagram below find the value of x a 275 b 62 c 85 d 31 class=

Respuesta :

jimrgrant1 jimrgrant1

06-02-2021

Answer:

x = 31

Step-by-step explanation:

The 3 angles in a triangle sum to 180°

Sum the 3 given angles and equate to 180

2x - 7 + 2x + 63 = 180, that is

4x + 56 = 180 ( subtract 56 from both sides )

4x = 124 ( divide both sides by 4 )

x = 31

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