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Hlo Guys plzz solve these. Find the Area Of A traingle whose sides are 34 cm ,20cm and 42 cm. Hence find the length of the altitude corresponding to the shortest side.​

Answer»

Answer:

Sides of a triangle are A=34cm B=20cm and C=42cm

ACCORDING to the Heron's formula,

Area of a triangle= s(s-a)(s-b)(s-c)

Where S= 2(a+b+c)

= 2(34+20+42)

= 48

Now, A= 48(48-42) (48-34) (48-20)

A= 48(6) (14) (28)

A= (6×8) (6) (14) (14×2)

= 14×6×4

= 336cm

Let the hight corresponding to longest side (42cm) is h

Area= ½ base × height

= ½ 42×h

= 336

h= 42/336 ×2

= 16cm

Step-by-step explanation:

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