N an acute angle is 90 degrees or less and 90 + 90 is 180 and an obtuse angle is always more than 90 and always less than 180
A=1/2bh
A=1/2* 6.7*8
A=<span>4*6.7
A=</span>26.8 square km
The * represents multiplcation.
The area is 26.8 square kilometers.
1 2/3 is 5/3 as in improper fraction
<span>3.14×10^-3 = 0.00314
hope that helps</span>
Supplement is 180 degrees complement is 90 degrees
