Question

Calculate the value of x​

Answer 1

Step-by-step explanation:

a)36

b)10

c)36

d)25

these are the value of x

a)5x=180

b)9x=90

c)10x=360

d)4x+80=180

Answer 2

(i) We know that,
The measure of a straight line is 180 degree
Therefore,
2x+3x=180
5x=180
x=180/5
x=36 - Answer

(ii) We know that,
The measure of right angle is 90 degree
Therefore,
4x+5x=90
9x=90
x=90/9
x=10 - Answer

(iii) We know that,
The measure of a reflex angle is 360 degree
Therefore,
4x+2x+x+3x=360
8x=360
x=360/8
x=45 - Answer

(iv) We know that,
The measure of straight line is 180 degree
Therefore,
x+20+3x-5+65=180
4x+80=180
4x=180-80
4x=100
x=100/4
x=25 - Answer


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