A triangle is constructed with two sides 6 cm and 8 cm and an included angle of 90^circ. When measured, the third side should be:

  1. 14 cm
  2. 2 cm
  3. 11 cm
  4. 10 cm
Answer

D) 10 cm

By Pythagoras the third side is 6^2 + 8^2 = 10 cm — a useful check on the accuracy of the construction. SLO M-09-B-28 · Knowledge

Mathematics MCQ · More Construction of Triangles MCQs · Practise