A triangle has an area of 150 m² and a perpendicular height of 15 m. Find the length of its base.

**Area of a triangle = (1/2)(base)(height)**

**A = (1/2)bh**

150 = (1/2)(b)(15) {substituted given information into area formula}

150 = 7.5b {multiplied 1/2 by 15}

b = 20 {divided each side by 7.5}

**base = 20 m**

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