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