Question

Helpppppppppppp will medal

Answer 1

take the two triangles and apply pythagores
with one base x and other 20-x

Answer 2

Okay umm is the answer b

Answer 3

the answer is not root 10

Answer 4

is angle a 90 degree

Answer 5

angle A

Answer 6

@zarkam21

Answer 7

@iGreen

Answer 8

You can use the Pythagorean Theorem to find AB.

\(\sf a^2 + 15^2 = 20^2\)

Can you solve that for 'a'?

Answer 9

@zarkam21

Answer 10

Okay I am here

Answer 11

Can you solve that equation for 'a'?

Answer 12

Yes I am doing it now

Answer 13

Okay, hold on.

Answer 14

IS it the square root of 70

Answer 15

Okay, triangle CAB is congruent to triangle ADB.

Answer 16

Which means

CB/AB = AB/DB

Answer 17

And CB is equal to 20.

Answer 18

and would AB be 20-x

Answer 19

So it would be 20/AB?

Answer 20

Yes..this is confusing..hold on.

Answer 21

Okay =)

Answer 22

CD/CA = CA/CB

Answer 23

Plug in what we know.

CD = x
CA = 15
CB = 20

Answer 24

Then solve for 'x'

Answer 25

Can you do that @zarkam21

Answer 26

\(\sf \dfrac{x}{15} = \dfrac{15}{20}\)

Answer 27

Just solve that for 'x' and you have your answer.

Answer 28

Is it 11.25

Answer 29

Yes, which is equivalent to 45/4.

Answer 30

Okay thank ya =)