2021 · Q88
Consider the following for the next three (03) items that follow : ABC is a triangle with AB = 1.6 cm, BC = 6.3 cm and CA = 6.5 cm. Let P and Q be the mid-points of AB and BC respectively. What is 4(CP² − AQ²) equal to ?
Elementary MathematicsGeometry: Lines, Angles and Triangles
- A101.39 cm²
- B111.39 cm²
- C121.39 cm²
- D131.39 cm²
Explanation
From the median computations, CP² = 40.33 and AQ² = 12.4825. Then 4(CP² − AQ²) = 4 × 27.8475 = 111.39 cm². This is option (b).