Part B Which sets of measurements could be the side lengths of a triangle?
Select each correct answer.
A 5 cm, 9 cm, 14 cm
B a 7 cm, 7 cm, 10 cm
c6 cm, 7 cm, 8 cm
D 3 cm, 3 cm, 3 cm
E4 cm, 8 cm, 13 cm

1. Volume of a cone: 1. V = (1/3)πr2h 2. Slant height of a cone: 1. s = √(r2 + h2) 3. Lateral surface area of a cone: 1. L = πrs = πr√(r2 + h2) 4. Base surface area of a cone (a circle): 1. B = πr2 5. Total surface area of a cone: 1. A = L + B = πrs + πr2 = πr(s + r) = πr(r + √(r2 + h2))

Step-by-step explanation:

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example 2 – simplify: step 1: completely factor both the numerators and denominators of all fractions. step 2: change the division sign to a multiplication sign and flip (or reciprocate) the fraction after the division sign; essential you need to multiply by the reciprocal. step 3 : cancel or reduce the fractions.