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Byju's Answer
Standard X
Mathematics
Introduction to Trigonometry
Draw the righ...
Question
Draw the right triangle
P
Q
R
if angle
P
is
90
, and the hypotenuse is
12
m. Find the longest and shortest side. when
∠
QRP =
30
o
.
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Solution
In given right angle
∠
P
=
90
°
Q
R
=
12
c
m
BY using
30
°
−
60
°
−
90
°
triangle, we get special relationship between its sides.
All of us know in right angle triangle hypotenuse is longest side.
So,
longest side
=
12
m
shortest side
=
12
2
=
6
m
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Similar questions
Q.
Draw the right triangle
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B
C
if angle
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, and the hypotenuse is
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Q.
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Q
R
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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
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Find its hypotenuse.
(6) In ∆PQR; PQ =
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, QR =
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