First symmetrically cut the octagon to get 8 pieces. (So that you will get the idea that this polygon is divided into 8 triangles)
Then find the area of one of the triangles:
Area of Triangle = 
A = 
× 12 × 19
A = 114 cm²
To find the area of the whole octagon shape:
A = 114 × 8 = 912 cm²
<em>Hope it helps!</em>
What the other person said
Answer:
7.9 pounds of fruit
Step-by-step explanation:
In all means to add, so 7 + .9 = 7.9 pounds
Answer:
False
Step-by-step explanation:
Because the gcf of 10 and 18 is 2
Answer:
A) -14 + 2n > 18
Step-by-step explanation:
inequality represents that - 14 more than twice a number is no less than 18.
<h3>Hope it is helpful...</h3>
