Question

ans fast ... .........​

Answer 1

15 degree will be the correct answer.

in the square qrst, angle QRS = 90

and in triangle, pqr angle QRP= 60(equilateral triangle.)

now in triangle, prs we get angle PRS= 90+60= 150

we know that sum of int. angle of triangle = 180 so one angle we got i.e 150 and we assume other two angle as x (side Pr and Ps are equal)

now x+x+150= 180

x= 15

i hope itz correct

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Answer 2

n+8(n+20)=110

n+8n+20=110

9n+20=110

9n=110-20

9n=90

n=90/9

n=10

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