The sides of ∆ABC are 30 units, 40 units, and 60 units long. The corresponding sides of ∆XYZ are r times as long as the sides of ∆ABC. The expression that gives the perimeter of ∆XYZ is. If the area of ∆ABC is n square units, the area of ∆XYZ is square units.

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6 January, 10:18

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Robert Gilmore · Answer 1

The sides of triangle XYZ = 30r units, 40r units, and 60r units

The expression that gives the perimeter of XYZ is 30r + 40r + 60r = 130r