sapkotarakshika111 sapkotarakshika111

01-09-2020
Mathematics

contestada

From the top of a tree 20 metres high,the angle of depression at a point on the opposite bank of a river is found to be 30° .Find the breadth of the river.

Respuesta :

itsabraham2004 itsabraham2004

01-09-2020

Answer:

17.3

Step-by-step explanation:

sin(30)=0.5

0.5*20=100

20*20+x*x=100

x=17.3

Answer Link

Otras preguntas

Which of the following sentences is correct? A. We will arrive, we will play, and we will won. B. We will arrive, we will play, and we will win. C. We will arri

In lines 619–620, the poem describes Grendel’s severed head as “a weird and wonderful sight.” Why do you think this sight seemed weird and at the same time wond

For the function y=F(x), when x = 4, its y-value is 18. Choose all true statements. A. The functions value is 4 at 18 B. The point (4,18) is on the graph of th

PLS SOMEONE HELPPPP ILL GIVE 20 points!! I need to know ASAP

Felipe biked 54 kilometers on Sunday. How many miles is this?

A chef combines solid and liquid ingredients in a pan to make a sauce. The chef wants to remove the solid pieces and then thicken the sauce by removing some of

Is computer assembly a good job for a teenager?

Jerry makes $300 per month but always runs out of money. He has $85 in fixed expenses and $60 in variable expenses that must be paid each month. How much money

Find the magnitude and direction of the vectors with components: a Ax=-4.0 cm, Ay=-4.0 cm b Ax=124 km, Ay=-158 km c Ax=0, Ay=-5.0m d Ax=8.0N, Ay= 0

Plz help me I need this for a quiz