Question

help!!?!!??
A rocket travels 60 km vertically upward at a 90° angle from point A to point B. It then moves a distance of 60 km along the line segment BC, as shown below.

Answer 1

What is the height of the rocket, at point C, from the ground?

90 km

95 km

80 km

75 km

Answer 2

@ranga help plz

Answer 3

So, first let's find d.

Answer 4

to find d we have to use trig functions ??

Answer 5

Yup, try using the fact that sine = opposite/hypotenuse

Answer 6

So, sin(30) = d/60km

Answer 7

Hint: multiply both sides of the equation by 60km

Answer 8

right ??