Question

Ratio of 3 sides of traingle is 1:3:5 and perimeter of traingle is 270 cms. Find it’s sides

Answer 1

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Step-by-step explanation:

let's the sides be x, 3x and 5x

we know that,

sum of all sides of triangle = perimeter

x +3x+5x = 270

9x = 270

x = 30

so,

it's Sides are;

x = 30

3x = 3*30

= 90

5x = 5*30

= 150

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Answer 2

Given:

• Ratio of 3 sides of traingle is 1:3:5
• Perimeter of traingle is 270 cm

To Find:

• All sides of traingle

Solution:

Let the sides of traingle be x, 3x and 5

• 1st side of triangle = 1x
• 2nd side of triangle = 3x
• 3rd side of triangle = 5x

★ Sum of all sides = Perimeter

➞ 1x + 3x + 5x = 270 cm

➞ 4x + 5x = 270 cm

➞ 9x = 270 cm

➞ x = 270/9

➞ x = 30 cm

Hence,

• 1st side = x = 30cm
• 2nd side = 3 × 30 = 90 cm
• 3rd side = 5 × 30 = 150 cm

Therefore,

• The required sides of triangle are 30cm ,90 cm and 150 cm

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