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Mathematics 21 Online
OpenStudy (maha994):

How many angles of 90 degree are there in a triangle???

OpenStudy (cal.lavender):

two

OpenStudy (anonymous):

Can i help?

OpenStudy (anonymous):

I'm guessing 1

pooja195 (pooja195):

IT depends on what kind of triangle we are talking about. @Maha994 What triangle do you know that has a right angle?

OpenStudy (anonymous):

Can i help?

OpenStudy (maha994):

i want to know about the triangle use in trigonometry... :D

pooja195 (pooja195):

There is only ONE triangle that includes any type of right angle.

OpenStudy (maha994):

o k

pooja195 (pooja195):

Can you tell me the name of the triangle?

pooja195 (pooja195):

|dw:1453465528358:dw|

OpenStudy (maha994):

i want to ask that how many angles of 90 degree are there in a isosceles triangle??

OpenStudy (maha994):

can you explain that ???

OpenStudy (anonymous):

yes if you are still here

OpenStudy (wcrmelissa2001):

There can only be 1. Since an isoceles triangle must have 2 equal angles, let's guess and check and see if 90˚ can be one of these equal angles. It can't. This is because if you have 2 right angles in a triangle, then well, it wouldn't be a triangle. But if you have just 1 right angle, you would be left with 180˚-90˚=90˚. Then this 90˚ can be divided by 2=45˚ which would be the two equal angles

OpenStudy (maha994):

thanks @wcrmelissa2001 now i completely understand that... thank u so much.. it means a lot :)

OpenStudy (wcrmelissa2001):

:D Glad to be of help

OpenStudy (maha994):

:)

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