michelleseachris michelleseachris

10-07-2020
Mathematics

contestada

Find the measure of angle d when angle a is 128 angle b is 126 and angle c is 54

Respuesta :

richardakumbisah richardakumbisah

12-07-2020

Step-by-step explanation:

sum of four angles=360°

a=128

b=126

c=54

d=?,let d=x

128+126+54+x=360°

308+x=360

find like terms

x=360-308

x=52°

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