2019 · Q36
The perimeter of a triangle is 22 cm. Through each vertex of the triangle, a straight line parallel to the opposite side is drawn. What is the perimeter of the triangle formed by these lines?
Elementary MathematicsGeometry: Lines, Angles and Triangles
- A33 cm
- B44 cm
- C66 cm
- D88 cm
Explanation
Lines through the vertices parallel to opposite sides form the anticomplementary triangle, whose sides are twice the originals, so its perimeter is 4 x 22 = 88 cm.