DEF is a isosceles right triangle, so DE =EF. apply Pythagoras:
DF² = DE² + EF² , BUT DE = DF .then DB² = 2DE² = 28²
DE² = 28/2 = 14 and DE = √14 = 3.71 ≈3.7
10/123456
As a fraction is 5/61728
Answer: 36/25 for the first one
Step-by-step explanation:
Answer:
170 pages.
Step-by-step explanation:
Craig has to read 850 pages in 5 weeks. If we set up a proportion, we have...

5x = 850
x = 850 / 5
x = 170 pages.
Hope this helps!
Step-by-step explanation:
