To get home from school, bob ops four blocks north and three blocks east. what is the straight-line distance between bob’s house in his school?

That's a Pythagorean Theorem application, and this is the first Pythagorean Triple in the book.

If we don't recognize that

we can do the math:

5 blocks

answer: 26

step-by-step explanation:

well, michelle wanted to measure the height of her school's flagpole she placed a mirror on the ground 48 feet from the flagpole then walk backwards until she was able to see the top of the pole in the mirror her eyes were 5 feet above the ground and she was 12 ft from the mirror using similar triangles find the height of the flagpole to the nearest tenth of a foot find the geometric mean of them pair of numbers. its easy math