Question

pls explain step by step​

Answer 1

Hey it's so simple...!!!

Here is ur ans:

D ans is (1)60degree

Hope it helps...!!!

Answer 2

SOLUTION:-

Given:

A flagstaff of 6m height placed on top of tower casts a shadow of 2√3m long the ground.

To find:

The angles that sun make with ground.

Solution:

Let OA & AB be the shadow of tower OP & flag staff PQ respectively.

In ∆OAP,

$= > tan \theta = \frac{OP}{OX} \\ \\ = > tan \theta = \frac{h}{x}.............(1)$

&

In ∆OBQ,

$= > tan \theta = \frac{OQ}{OB} \\ \\ = > tan \theta = \frac{h + 6}{x + 2 \sqrt{3} } ..............(2)$

From equation (1) & (2), we get;

$= > \frac{h}{x} = \frac{h + 6}{x + 2 \sqrt{3} } \\ \\ = > x = \frac{h}{ \sqrt{3} }$

So,

Putting the value of x in equation (1), we get;

$tan \theta = \frac{ \frac{h}{h} }{ \sqrt{3} } \\ \\ = > tan \theta = \sqrt{3} \\ \\ = > \theta = 60 \degree$

Thus,

The angle that sun make with ground is theta= 60°.

Hope it helps ☺️