Question

Find the area of a triangle whose sides are 26 cm, 28 cm, 30cm.
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Answer 1

Step-by-step explanation:

मराठी मध्ये शोधा

ज्या बाजू एक त्रिकोणाच्या क्षेत्र शोधू 26 सेंमी 28 सें.मी. 30cm

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Triangle

Solve for area

A=336cm²

a Side

26

cm

b Base

28

cm

c Side

30

cm

Using the formulas

A=s(s﹣a)(s﹣b)(s﹣c)

s=a+b+c

2

Solving forA

A=1

4﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4=1

4·﹣264+2·(26·28)2+2·(26·30)2﹣284+2·(28·30)2﹣304=336cm²

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Answer 2

Area of triangle = root of s ( s - a )(s - b)(s - c) where s = a+ b + c / 2 = 26+28+30/2 = 84/2 = 42

Area = 42 ( 42-26)(42-28)(42-30) = 42 (16)(14)(12) = root of 112896 = 336 cm square

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