If the lengths of the sides of a triangl...

If the lengths of the sides of a triangle are `3, 5, 7`, then its largest angle of the triangle is

A

`90^(@)`

B

`120^(@)`

C

`150^(@)`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:

B

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Knowledge Check

If the length of the sides of a triangle are 3, 5, 7, then the largest angle of the triangle is

A

`pi/2`

B

`(5pi)/6`

C

`(2pi)/3`

D

`pi/4`

If the sides of a triangle are 3, 5, 7, then

A

All its angles are acute

B

One angle is obtuse

C

Triangle is right angled

D

none of these

If the length of the sides of a triangle are in the ratio 4:5:6 and the inradius of the triangle is 3 cm, then the altitude of the triangle corresponding to the largest side as base is :

A

`7.5 cm `

B

`6 cm `

C

`10 cm`

D

`8 cm`

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