If #hatQ# is a Right-angle in #DeltaPQR and PR-PQ=9 , PR-QR=18# then what is the perimeter of the triangle?
2 Answers
Perimeter is
Explanation:
As in right angled triangle
Now let
and as
Putting these values in (A), we have
or
or
or
or
or
Observe that as all sides are positive, we must have
and hence only solution is
and sides are
and perimeter is
Perimeter =
Explanation:
If
Let
Then
Write an equation using Pythagoras' Theorem:
If the hypotenuse is
Perimeter =