5

Set 3: Triangles (Beginner)

Explanation

Answer: A

PROBLEM

A triangle has base 12 and height 7. What is its area?

A triangle has base 12 and height 7. What is its area?

A.

42

✓ Correct
B.

41

C.

43

D.

44

Detailed Explanation

Choice A is the best answer. Area = (1/2) times base times height = (1/2) times 12 times 7 = 42

Why others are wrong:
B: 41 is incorrect because it does not satisfy the equation.
C: 43 is incorrect because it does not satisfy the equation.
D: 44 is incorrect because it does not satisfy the equation.