find the area of the equilateral triangle each of whose side measure 11 metre
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Answer:
Step-by-step explanation:
area of equilateral triangle =√3 (side x side) ÷4
=√3 (11×11) ÷4
=√3×121 ÷4
=1.73×121÷4
=52.33 square metre
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Answer:
step1-. height = √11×11-5.5×5.5
= √121-30.25
= √90.75
= 9.526 meter
area of triangle= .5× base × height
= .5× 11×9.526
= 52.393 square metre
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