The perimeter of the BCA triangle is 144 mm. Find the sides of the triangle if you know their ratio
| December 3, 2020 | education
The perimeter of the BCA triangle is 144 mm. Find the sides of the triangle if you know their ratio CB: CA: BA = 3: 5: 4. CA = mm BA = mm CB = mm.
P = 144 (CB + CA + BA)
СВ: СA: ВA = 3: 5: 4
Let’s make the equation:
3x + 5x + 4x = 144
12x = 144
x = 144/12
x = 12
Then:
CB = 3 * 12 = 36
CA = 5 * 12 = 60
ВA = 4 * 12 = 48
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