The Perimeter of a Triangle Is 70 Cm

question 441

Multiple Choice

The perimeter of a triangle is 70 cm. The triangle is isosceles now, but if its base were lengthened by 7 cm and each leg were shortened by 4 cm, it would be equilateral. Find the length of the base of the original triangle.

• A) 16 cm
• B) 27 cm
• C) 23 cm
• D) 15 cm

---

Definitions:

Copyright

Control over the use and reproduction of the expression of creative work; type of intellectual property.

Fair Dealing

A legal doctrine that permits limited use of copyrighted material without requiring permission from the rights holders, under certain conditions.

Theoretical Background

An underlying foundation of principles and knowledge that supports a particular field of study or research.

Infringement

The action of breaking the terms of a law, agreement, or right, especially concerning intellectual property.