5
Answer: BSet 1: Triangles (Beginner)
Explanation
PROBLEM
A triangle has base 18 and height 7. What is its area?
A triangle has base 18 and height 7. What is its area?
A.
65
B.✓ Correct
63
C.
64
D.
62
Detailed Explanation
Choice B is the best answer. Area = (1/2) times base times height = (1/2) times 18 times 7 = 63
Why others are wrong:
A: 65 is incorrect because it does not satisfy the equation.
C: 64 is incorrect because it does not satisfy the equation.
D: 62 is incorrect because it does not satisfy the equation.