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20.02.2021 •
Mathematics
find the area of equilateral triangle ABC of side 80cm.Also find height of triangle.(square root of 3=1.73)
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Ответ:
area =2768 . hight = 69.2
Step-by-step explanation:
formula for area of equiletral triangle = under root of 3 multiply by squre of side and whole devided by 4.1.73×80×80/4 = 2768.formula for hight = under root of 3 multiply by side whole divide by 2 .1.73×80/2 =69.2Ответ:
I'm pretty sure this is the answer but I'm not exactly sure....