5. Each side of an equilateral triangle measures 8 cm. The area of the triangle is
O a. 813 square cm
O b. 1673 square cm
O c. 32-3 square cm
O d. 48 square cm
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5. Each side of an equilateral triangle measures 8 cm. The area of the triangle is
O a. 813 square cm
O b. 1673 square cm
O c. 32-3 square cm
O d. 48 square cm
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Answer:
Step-by-step explanation:
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