Which triangles are similar?
5
16
37'
679
12
空
13
12
20
53°
23°
Triangle A
Triangle B
539
15
379
12
Triangle C
O A. Triangles B and C
B. Triangles A and B
O C. Triangles A, B, and C
O D. Triangles A and C
The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.