Question

5. If the distance between the earth and the moon is 38400 km, and the angle subtended by moon at the eye of any person on the earth is 31'. Find the radius of moon.​

Answer 1

$\huge\bigstar{\underline{{\red{A}{\pink{n}{\color{blue}{s}{\color{gold}{w}{\color{aqua}{e}{\color{lime}{r}}}}}}}}}\huge\bigstar$

We will assume the diameter of the moon at 1 Km.

Here in the figure, we will take PQ is approximately equal to 1 Km

θ= length of the arc/radius

=31/60× π/180

= π/384400

h=

$3464 \times \frac{8}{63}$

km

Answer 2

Answer:

We will assume the diameter of the moon at 1 Km.

Here in the figure, we will take PQ is approximately equal to 1 Km

θ= length of the arc/radius

=31/60× π/180

= π/384400

h=

3464 \times \frac{8}{63}3464×

63

8

km