Find the area of a regular octagon with a side length of 8 cm. Round to the
nearest tenth.
8 cm
[? ] cm2
Enter

Step-by-step explanation:

Area=2(1+)8²

       =309.0(round to nearest tenth)

answer: standard form is ax^2 + bx + c = 0

step-by-step explanation:

standard form is ax^2 + bx + c = 0

(2x + 1)(x - 2) = 0

distribute to get into standard form

2x^2 - 4x + x - 2 = 0

2x^2 - 3x - 2 = 0

a = 2, b= -3, c = -2

a is your answer