Mathematics for IGCSE & O level - Coordinate Geometry (Section 4 - No. 34)
The length of a horizontal line segment is 5, and the length of the vertical side is 3. What is the length of the hypotenuse?
5
8
sqrt(34)
15
Giải thích
Use Pythagoras' theorem: a^2 + b^2 = c^2. 5^2 + 3^2 = 25+9 = 34. sqrt(34)