Checkpoint: roots, triples and a pond
Four questions on the new ideas. Feedback comes as you answer, and you can retry any time.
The equal sides of a right triangle are 18. What is c²?
2.7 × 2.7 = 7.29. What does that say about the number whose square is 7?
Which of these is a triple?
A stem stands 4 cm above a pond. Bent, its flower touches the water 12 cm away. How deep is the pond?
0 of 4 answered