Mathematics · Mensuration
In an isosceles trapezium ABCD, AD is parallel to BC. The lengths are given as CD = 17 cm, BM = 8 cm (where AM is perpendicular to BC), and BC = 36 cm. If the trapezium is divided into a shaded portion (trapezium AMCD) and a non-shaded portion (triangle ABM), find the difference between the perimeters of the shaded and non-shaded portions.
- 140 cm
- 230 cm
- 320 cm
- 410 cm✓
Correct answer
10 cm
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