Mathematics
NULL
Medium
Question
A rectangle measures 8 cm in length and its diagonal measures 10 cm. What is the perimeter of the rectangle?
A
36cm
B
38cm
C
28cm
✓ Official correct answer
D
18cm
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
36cm
No member explanations yet for this option.
B
38cm
No member explanations yet for this option.
C
28cm
No member explanations yet for this option.
D
18cm
No member explanations yet for this option.
Explanation
Breadth = √(10² − 8²) = 6 cm. Perimeter = 2(8 + 6) = 28 cm.