Each side of an equilateral triangle measures 8 cm.
Find(a) the area of the triangle correct to place of decimal and
(b) the height of the triangle correct to 2 place of decimal
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Answer:
area of equilateral triangle = root3/4×8×8
6.928 cm^2
area = 1/2×b×h = 6.928
1/2×8×h = 6.928
h = 6.928/4
h = 1.732 cm
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