2 years ago

A guard in a 20m tall watchtower spots a vehicle at an angle of depression oi 25

Mathematics

1 answer:

victus00 [196]2 years ago

5 0

Answer:

Solution given:

height[p]=20m

angle of depression [a]=25°

base[b]=?

we have

Tan a=p/b

tan 25=20/b

b=20/tan25

b=42.89 or 43

the tower is 43m far from the vehicle .

You might be interested in

How many different triangle can you make if you are given the measurements for two sides and an angle that is not between those

Alexandra [31]

Answer:

option C : 2

Step-by-step explanation:

because there can be one triangle from BA till 20cm . and other till D

hope it helps you

4 0

2 years ago

Read 2 more answers

Ms. Bell's mathematics class consists of 12 sophomores, 8 juniors, and 9 seniors. How many different ways can Ms. Bell create a

shtirl [24]

Answer:

792

Step-by-step explanation:

It's a combination question. The order is of no consequence. Also the fact that there are juniors and seniors is not important either.

So the answer is

12C5

12!

====

(12 - 5)! * 5!

12 * 11 * 10 * 9 * 8

==============

5 * 4 * 3 * 2 * 1

792

7 0

2 years ago

please help! this is for a grade and its overdue!!!!!!!! If the blueprint is drawn on the coordinate plane with vertices (1, 5)

viktelen [127]

Answer:

50 \sqrt[]{2} feet

Step-by-step explanation:

Given the vertices (1, 5) and (11, 15) for the corners labeled with red stars, the diagonal of the square C will be the length of the line joining the two vertices.

Using the Distance Formula:

Since 1 Square Unit = 25 Square Feet

1 Unit =5 feet

Therefore, the length of the diagonal

7 0

3 years ago

Read 2 more answers

PLEASE HELP ME QUICKLY!!!!!

Gwar [14]

Y=2/5+3; u gotta find two points, count the rise over run and find the y-intercept

3 0

2 years ago

V=pir2h. Solve for pi

Fynjy0 [20]

$v = \pi {r}^{2} h \\ \\ \pi = \frac{v}{ {r}^{2}h }$

I hope I helped you^_^

5 0

2 years ago