Question

If r = 18 cm and θ = 60°, what is the solution?

A) 6√3 cm
B) 10.39 cm
C) 18 cm
D) 30 cm

Answer 1

The solution is Option A) 6√3 cm.

Step-by-step explanation:

To find the solution, we can use the formula x = r cos(theta) to calculate the x-coordinate and y = r sin(theta) to calculate the y-coordinate. Given that r = 18 cm and theta = 60°, we can substitute these values into the formulas:

x = 18 cm * cos(60°) = 9 cm

y = 18 cm * sin(60°) = 15.588 cm

Therefore, the solution is Option A) 6√3 cm.