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Byju's Answer
Standard VI
Mathematics
Obtuse Angled Triangle
In a 45^∘-45^...
Question
In a \(45^\circ-45^\circ-90^\circ \) triangle, if the length of the hypotenuse is \(9\sqrt{2}\), then the length of its sides is 9 units.
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Q.
Solve the following examples.
(1) Find the height of an equilateral triangle having side 2
a
.
(2) Do sides 7 cm, 24 cm, 25 cm form a right angled triangle ? Give reason.
(3) Find the length a diagonal of a rectangle having sides 11 cm and 60 cm.
(4) Find the length of the hypotenuse of a right angled triangle if remaining sides are 9 cm and 12 cm.
(5) A side of an isosceles right angled triangle is
x.
Find its hypotenuse.
(6) In ∆PQR; PQ =
8
, QR =
5
, PR =
3
. Is ∆PQR a right angled triangle ? If yes, which angle is of 90°?