9514 1404 393
Answer:
(b) 23
Step-by-step explanation:
The diagonals of a rectangle are the same length, so ...
AC = BD
2x +10 = 56
x +5 = 28 . . . . . divide by 2
x = 23 . . . . . . . . subtract 5
Sent a picture of the solution to the problem (s). I usually graph at least 5 points. Usually one is 0 and I go up from zero and down from zero.
Answer:
h≈5.5
Step-by-step explanation:
h=V/πr^2=155.4/π·3^2≈5.49615
Answer:
31.4 cm
Step-by-step explanation:
![l = \frac{60 \degree}{360 \degree} \times 2\pi \: r \\ \\ = \frac{1}{6} \times 2 \times 3.14 \times 30 \\ \\ = 6.28 \times 5 \\ \\ = 31.4 \: cm](https://tex.z-dn.net/?f=l%20%3D%20%20%5Cfrac%7B60%20%5Cdegree%7D%7B360%20%5Cdegree%7D%20%20%5Ctimes%202%5Cpi%20%5C%3A%20r%20%5C%5C%20%20%5C%5C%20%20%3D%20%5Cfrac%7B1%7D%7B6%7D%20%20%5Ctimes%202%20%5Ctimes%203.14%20%5Ctimes%20%2030%20%5C%5C%20%20%5C%5C%20%20%3D%206.28%20%5Ctimes%205%20%5C%5C%20%20%5C%5C%20%20%3D%2031.4%20%5C%3A%20cm)
Hence, length of arc = 31.4 cm.