6

Set 3: Triangles (Beginner)

Explanation

Answer: A

PROBLEM

A triangle has base 10 and height 4. What is its area?

A triangle has base 10 and height 4. What is its area?

A.

20

✓ Correct
B.

22

C.

19

D.

23

Detailed Explanation

Choice A is the best answer. Area = (1/2) times base times height = (1/2) times 10 times 4 = 20

Why others are wrong:
B: 22 is incorrect because it does not satisfy the equation.
C: 19 is incorrect because it does not satisfy the equation.
D: 23 is incorrect because it does not satisfy the equation.