4x+7y=19 Y=x+9 U must solve it in substitution method
1 answer:
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Yea i think this my answer
Answer:
27in
Step-by-step explanation:
So, perimeter means we add all the sides together, as opposed to area, where we multiply them together.
9 - 5 = 4.
So the perimeter of the triangle would be:
3+4+=12
5 + 5 + 4 +1 (the 1 is from 4 -3) = 15
15 + 12 = 27