CBSE Class 9 Answered
The lengths of the sides of a triangle are 5 cm, 12 cm and 13 cm. Find the length of perpendicular from the opposite vertex to the side whose length is 13 cm.
Asked by Topperlearning User | 31 Mar, 2014, 12:15: PM
Expert Answer
Here a=5cm, b=12cm, c=13cm
=
=
Let A be the area of the given triangle, then
A =
=
= = 30 cm2
Let p be the length of the perpendicular from vertex D on the side BC, then
A =
2A = 13p
2 × 30 = 13P
Hence, length of perpendicular from the opposite vertex to the side whose length is 13 cm is cm.
Answered by | 31 Mar, 2014, 02:15: PM
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