Question

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Answer 1

Step-by-step explanation:

1) we no that sum of interior opposite angles is equal to the exterior angle

therefore,

72+x=120

x=120-72

x= 48

also,

5x+10+x=146

x=136/6

2. let the first number be X and second number be y then

x-y=10 .............(1)

also,

according to question

x+5-y=4y

x-5y= -5. .................(2)

from (1)

x=10y

putting the value in (2)

=> 10+y-5y= -5

=> -4y =-5

=> y=15/4

putting the value of Y in (1)

=> x-15/4 =10

=> x=10+15/4

=> x=55/4

3. the numbers whose sum is 90 and difference is 10 is 50 and 40

4. let the first number be X and second number be X + 2

then according to question

=> X + X + 2=104

=> 2x+2=104

=> x=51

so,

first number =x=51

second number=x+2=53

hope it helped to you!

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