Answer:
hey
Step-by-step explanation:
<h2>(x-h)²+(y-k)²=r²</h2>
here (h,k) =(0,0)
<h2>Equation of circle will be</h2>
x²+y²= r²
Answer:
810
Step-by-step explanation:
number of triangles needed = area of rectangle / area of triangle
area of triangle = 1/2 x base x height
1/2 x 6 x 8/3 = 8
area of rectangle = length x width = 90 x 72
90 x 72/ 8 = 810
Here are three ratios that equivalent to 18:4
9:2
36:8
54:12
hope this helped!
p.s. may i please have the branliest answer?