10.6470588 there ya go ;)
Since there are as many of these triangles as the polygon has sides (eight for an octagon), you have to multiply the area of this triangle by the number of sides. You will obtain the total area of the octagon: area of octagon = 8 * base * height / 2 = perimeter * apothem / 2 .
i hope this helped you :)
Answer:
the leg is 6.9
Step-by-step explanation:
use the reverse Pythagorean therm
find the square root of 8(squared) - 4(squared) =6.9
-2x+5y=13
-5 -5
=8
-2(negative two)
-2 /8 =???
That's how to find answer
Answer:
<u>all above but not the last one</u>
Step-by-step explanation:
hope this helps!!!!
