The side of an equilateral triangle is 10
cm. What is its altitude?
(A) 52 cm
(C) 12 cm
(B) 53 cm
(D) 5 cm
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The side of an equilateral triangle is 10
cm. What is its altitude?
(A) 52 cm
(C) 12 cm
(B) 53 cm
(D) 5 cm
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Answer:
5√3,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
area of an equilateral triangle = (root 3/4) a^2 = 1/2 ×b ×h
altitude =[(root 3/ 4) × 100] × 2 ÷ 10
= 5 root 3.. no options.