A rectangle has a width of 9 units and a length of 40 units. What is the length of a diagonal? 31 units 39 units 41 units 49 units Save and Exit

Question

asked Dec 18, 2020 78.8k views

2 Answers

Vineet Sharma · Answer 1 · 2020-12-22T02:03:51+0000

Answer:

41 units

Explanation:

Rectangles have right angles, so we can use Pythagorean theorem to find the diagonal.

c² = a² + b²

c² = 9² + 40²

c² = 81 + 1600

c² = 1681

c = 41