What is the area (in cm2, correct to one decimal place) of a triangle whose base is 21.4 cm and height is 15.5 cm?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 165.9.
Area = 1/2 × 21.4 × 15.5
⇒ 10.7 × 15.5
⇒ 165.85 ≈ 165.9
Area of the triangle is 165.9 cm2