Geometry and Trigonometry practice question

Answer: 10

Distance between the endpoints: √((7 − (−1))² + (8 − 2)²) = √(64 + 36) = 10.

Common wrong answers

If you answered 5

5 is the radius.

If you answered 14

14 is 8 + 6, adding the coordinate differences.

If you answered 100

100 is the square of the diameter.

More Geometry and Trigonometry questions

• Medium
  In a 45°-45°-90° right triangle, each leg has length 5. What is the length of the hypotenuse?
• Medium
  A cylinder has a radius of 3 and a height of 10. What is its volume? (Use V = πr²h.)
• Medium
  In a right triangle, the side opposite angle θ has length 3 and the hypotenuse has length 5. What is sin θ?
• Medium
  Two triangles are similar with a ratio of 2 to 3. A side of the smaller triangle measures 8. What is the lengt…
• Medium
  What is the distance between the points (1, 2) and (4, 6) in the coordinate plane?
• Medium
  A circle has a radius of 6. What is the area of a sector with a central angle of 60°?