Answer:
A. 55
Step-by-step explanation:
55 + 30 + 40 + 55 = 180
I hope this helps u! :D
9: B right
10: C obtuse
11: B right
12: B right
I hope they are right! Sorry if they are not!
To find the total area of the octagon you can find the area of the rectangle that is created by the entire figure and subtract the areas of the four congruent right triangles.
(10 cm x 6 cm) - [4(1/2 x 2 x 2)]
60 cm² -8 cm² = 52 cm²
The total area of the octagon is 52 cm².
Answer:
16(x-2)(x+2)
Step-by-step explanation:
Flip the V over. So rotation, translation and reflection? hope this helps
