<span>12/4 irrational or rational number
is a irrational number </span>
A: Deena subtracted 25, instead of adding it.
B: 9x - 25 = 88.
C: no idea
1) m∠1 = 360°/8 = 45° . . . . . a regular octagon is 8-way rotationally symmetrical, so each sector is 1/8 of a circle.
2) m∠2 = (180° -45°)/2 = 67.5° . . . . . . the angles of a triangle add to 180°. The base angles of an isosceles triangle are equal.
Answer:
3
Step-by-step explanation:
The semicircle doesn't have any sides and the dotted lines are just there as an image for u.