3
Answer: DSet 2: Triangles (Beginner)
Explanation
PROBLEM
A triangle has base 4 and height 10. What is its area?
A triangle has base 4 and height 10. What is its area?
A.
23
B.
21
C.
22
D.✓ Correct
20
Detailed Explanation
Choice D is the best answer. Area = (1/2) times base times height = (1/2) times 4 times 10 = 20
Why others are wrong:
A: 23 is incorrect because it does not satisfy the equation.
B: 21 is incorrect because it does not satisfy the equation.
C: 22 is incorrect because it does not satisfy the equation.