Chinese, asked by jarugumuralikrishna, 14 days ago

 ABC is a right angled triangle right angled is at ‘C’, BC  a,

CA  b, AB  c and let ‘p’ be the length of perpendicular from ‘C’

on AB then prove that.

1) pc  ab 2) 1

p

2



1



1

a

2

b

2​

Answers

Answered by vikashpatnaik2009
0

Answer:

James mill divided Indian history into Hinduism and Muslim and British periods. This periodisation is based on the religious line that there was a face for which the Hindu were the rulers and other work ruled. ... So , this is not a proper periodisation of Indian history.

Answered by girl23toxicgmailcom
0

Explanation:

What's your doubt?

Maths

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ABC is a right triangle, right-angled at C. If BC = a,CA = b, AB = c and p be the length of perpendicular from C on AB, then

(i) cp=ab

(ii)

p

2

1

=

a

2

1

+

b

2

1

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Answer

Correct option is

A

True

Let CD⊥AB. Then, CD=p

∴ Area of ΔABC=

2

1

(Base×Height)

=

2

1

(AB×CD)=

2

1

cp

Also,

Area of ΔABC=

2

1

(BC×AC)=

2

1

ab

2

1

cp=

2

1

ab

⇒cp=ab

(ii) Since ΔABC is a right triangle, right angled at C.

∴AB

2

=BC

2

+AC

2

⇒c

2

=a

2

+b

2

⇒(

p

ab

)

2

=a

2

+b

2

[∵cp=ab⇒c=

p

ab

]

p

2

a

2

b

2

=a

2

+b

2

p

2

1

=

b

2

1

+

a

2

1

p

2

1

=

a

2

1

+

b

2

1

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