Question

In a triangle ABC ,C is right angled triangle. AC is 8cm and BC is 15 cm. Find the length of AB.​

Answer 1

Step-by-step explanation:

According to question,

Angle B =90

0

for angleA

base(B)=8cm

perpendicular(P)=15cm

hypotensue(H)= 17cm

sinA=

H

P

=

17

15

cosA=

H

B

=

17

8

tanA=

B

P

=

8

15

Answer 2

Answer:

length of side AB is 17cm

Step-by-step explanation:

ABC is a right triangle i.e having a right angle C

AB is hypotenuse

so from pythogorean theorem :

H^2=P^2+B^2

(AB^)2=(AC)^2+(BC)^2

(AB)^2=8^2+15^

(AB)^2=64+225

(AB)^2=289

Take square root on both sides:

AB=17cm

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