Answer:
22⁰
Step-by-step explanation:
By angle sum property :
x + 127 + 31 = 180⁰
x = 180 - 158
x = 22⁰
Answer:
acc to ques....perimeter of figure= 3a^2+15a+9
let missing dimension be x
= x+10a-2+a^2-7+5a=3a^2+15a+9
x+15a+a^2-9=3a^2+15a+9
x=2a^2+18
Method 1:
4(754)
=4(700+50+4)
=2800 + 200 + 16
=3000+16
=3016
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Method 2:
4(754)
=4(250+250+250+4)
=1000+1000+1000+16
=3016
please edit your question man
.010416666666. Use conversion factors to solve.