Multiple choice

A triangle and a trapezoid are equal in area and have the same altitude. If the base of the triangle is 18 cm, find the median of the trapezoid.

  1. 36 cm

  2. 9 cm

  3. 18 cm

  4. Data insufficient

  5. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A = 1/2 * b * h = 1/2* h* (b1 + b2) Therefore, b1 + b2 = b = 18 cm So, median = 1/2 * (b1 + b2) = 9 cm Therefore, option (2) is correct.