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IKMC 2027 - Grades 7-8 - Self-study SET 6 - Thematic Batch 3 Question 28

IKMC · IKMC 2027 - Grades 7-8 - Self-study SET 6 - Thematic Batch 3

Question 28

A rectangular prism has side lengths a, 2a and h, as shown. Its total surface area is 180. Express h in terms of a.

Question illustration
  1. $\frac{30}{a}-\frac{2a}{3}$
  2. $\frac{30}{a}+\frac1{3a}$
  3. $\frac{180}{4a^2+6a}$
  4. $\frac{180-6a}{4a^2}$
  5. Another result