The polygons are regular polygons. Find the area of the shaded region.

Trapezoid abcd is an isosceles trapezoid, ad||cb, a diagonal line runs from angle d to b. angle cdb is 50 degrees and angle dab is 70 degrees, find the remaining angle degrees for angles bda, dba, bcd, and dcb.

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

The probability that you roll a two on a six-sided die is 1 6 16 . if you roll the die 60 times, how many twos can you expect to roll