2. Because the sum of angle measures in each triangle is 180°, the
sum of interior angle measures in a quadrilateral is
2 x 180° =
280
320
360°
Check

Find the value of the cosine for angle a

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

Which rule describes the composition of transformations that maps ajkl to aj"k"l"? ro. 900 o to, -2(x, y) to, -20 ro, 900(x, y) ro, 9000 t-2. o(x,y) t-2, 00 ro, 900(x, y)