Step-by-step explanation:
use herons formula
√s(s-a)(s-b)(s-c)
where s is the semi perimeter
S=20
and a,b,c are sides of triangle
=√20(20-17)(20-9)(20-14)
=√20.3.11.6
=62.92
nearest whole number is 63
option B is correct
N is equal to 2
And 4 times 2 is 8.
Glad I could help
Have A Good day
Answer:
1. -10x^2-x+6-10x 2-x+6 = -10x^2 - 22x + 12
2. 10x^2-510x 2-5 = 10x^2 - 1020x - 5
hope this helps
if i did something wrong let me know so i can fix my answer
#Virgo2007
The longest length you can get with no extra is 56cm