Question

Help me to do this till morning . Please help and do it in paper no text I don't understand text

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Answer 1

Answer:

THE AREA OF EQUILATERAL TRIANGLE √3/4a²

Given Perimeter =180 cm

Semi-perimeter s=180/2

s=90 cm

Since all sides of equilateral triangle are equal

Perimeter =180

Perimeter =180a+a+a=180

Perimeter =180a+a+a=1803a=180

Perimeter =180a+a+a=1803a=180a=60 cm

Area of triangle = √s(s-a)(s-b)(s-c)

= √90(90−60)(90−60)(90−60)

= √90×30×30×30

90×30×30×30

90×30×30×30 =√(9×3×3×3)×(10)⁴

= √(9)²×3×(10)⁴

= 9×√3×10²

= 900√3

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Answer 2

Answer:

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