Mathematics
NULL
Medium
Question
A rectangular field is 25 m by 15 m. Two mutually perpendicular passages of 2 m width run through its centre; grass grows on the rest. The area under the grass is ____________?
A
295 m²
B
299 m²
✓ Official correct answer
C
300 m²
D
375 m²
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
295 m²
No member explanations yet for this option.
B
299 m²
No member explanations yet for this option.
C
300 m²
No member explanations yet for this option.
D
375 m²
No member explanations yet for this option.
Explanation
Passage area = 25×2 + 15×2 − 2×2 = 76 m². Grass = 375 − 76 = 299 m².