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Aneli [31]
2 years ago
15

find the area of a triangular shaped land having the length of three sides 20,34 M and 42 respectively in metre square Anna and

ropani​
Mathematics
2 answers:
matrenka [14]2 years ago
8 0

Step-by-step explanation:

if I understand you correctly, then the 3 sides are

a = 20 m

b = 34 m

c = 42 m

under this assumption the best is to use Heron's Formula to get the area :

s = (a + b + c)/2

area = sqrt(s(s - a)(s - b)(s - c))

in our case

s = (20 + 34 + 42)/2 = 96/2 = 48

area = sqrt(48(48-20)(48-34)(48-42)) =

= sqrt(48×28×14×6) = sqrt(112,896) =

= 336 m²

Fantom [35]2 years ago
7 0

Answer:

sorry i didnt know this D: <3

Step-by-step explanation:

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