Geometry and TrigonometryEasyDiagonal of a unit square
Geometry and Trigonometry practice question
A square has sides of length 1. The length of its diagonal can be written as √k. What is the value of k?
Answer: 2
1² + 1² = 2, so the diagonal is √2.
Common wrong answers
- If you answered 1
- 1 is the side.
- If you answered 4
- 4 is the perimeter.
- If you answered 1.41
- 1.41 is √2 itself, not k.
More Geometry and Trigonometry questions
- Easy
Two angles of a triangle measure 40° and 75°. What is the measure of the third angle? - Easy
A triangle has a base of 10 and a height of 6. What is its area? - Easy
In a 30°-60°-90° right triangle, the shorter leg (opposite the 30° angle) has length 6. What is the length of … - Easy
A rectangle has a length of 8 and a width of 3. What is its perimeter? - Easy
A closed rectangular box has a length of 5 inches, a width of 4 inches, and a height of 3 inches. What is the … - Easy
In the xy-plane, a circle has center (2, −5) and radius 3. Which equation represents this circle?
Not affiliated with the College Board. SAT is a trademark of the College Board.