use 1.7 as the square root of 3 what is the area of the equilateral triangle abc with a slant of 16cm?

0 ⤊

i need help please

2006-06-28 07:22:11 · 4 answers · asked by johnnydeppishot2003 1 in Science & Mathematics ➔ Mathematics

K = a^2 * sqrt(3)/4
K = 16^2 * sqrt(3)/4
K = (256/4) * sqrt(3)
K = 64sqrt(3)

ANS : 64sqrt(3)cm^2 or 108.8cm^2

2006-06-28 09:56:42 · answer #1 · answered by Sherman81 6 · 0⤊ 0⤋

A = ( (3)^(1/2) ) / 4 * S^2
A = (1.7)/4 * (16)^2
A = .452 * (256)
A = 115.712 cm^2

2006-06-28 07:31:10 · answer #2 · answered by Tenk 2 · 0⤊ 0⤋

look at yesterday's answers.
â3 * 8Â² cmÂ²

2006-06-28 07:26:37 · answer #3 · answered by bequalming 5 · 0⤊ 0⤋

the answer is....

42

2006-06-28 07:26:37 · answer #4 · answered by mel 2 · 0⤊ 0⤋