Question

draw a triangle whose two sides are 5cm ansd 8cm in length and the measurements of the angle opposite of length 8cm is 60°

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Answer 1

Step-by-step explanation:

The length 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.

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ANSWER

Here,

a=5,b=12,c=13

s=21(a+b+c)=15

Area of the triangle, A = s(s−a)(s−b)(s−c)

A=15(15−5)(15−12)(15−13)

A=30 cm2

Let p be the length of perpendicular. Then,

A=21×13×p

Therefore,

21×13×p=30

p=1360 cm