Answer question 1 and 2

1. a2+b2 when a=3, b=8

2. 2l+2w when l=15,w=12

hope that helps uhh :)

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step-by-step explanation:

the formula for the equation of a circle is (x – h)2+ (y – k)2 = r2, where (h, k) represents the coordinates of the center of the circle, and r represents the radius of the circle. if a circle is tangent to the x-axis at (3,0), this means it touches the x-axis at that point.