mya12379 mya12379

20-02-2020
Mathematics

contestada

For this right triangle, what is the cosine of angle C?
A)
12
13
B)
13
12
C)
5
12
D)
5
13
E)
13
5

For this right triangle what is the cosine of angle C A 12 13 B 13 12 C 5 12 D 5 13 E 13 5 class=

Respuesta :

ujalakhan18 ujalakhan18

20-02-2020

Answer:

A

Step-by-step explanation:

In this triangle hypotenuse=13

And perp=5

Now

Finding base

Hypotenuse^2=base^2+perp^2

(13)^2=base^2+(5)^2

169=base^2+25

Base^2=169-25

Base^2=144

Taking sq root on both sides

Base=12

Now

Cosine C=base/hypotenuse

Cosine C=12/13

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