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What is the value of x?


What Is The Value Of X class=

Sagot :

Answer:

x = 10

Step-by-step explanation:

90 = 4x + 5x

90= 9x

90 divided by 9 = 10

Answer:

it is given , angle ABC = 90

then,

5x+4x = 90

9x = 90

x = 90/9

x = 10

first angle is 40

second angle is 50

hope it helps