Answer:67 and 1
Step-by-step explanation:
You know angles B and C are both 60°, the values of the angles in an equilateral triangle. Since the sum of angles in a quadrilateral is 360°, you have
B + C + x + y = 360°
60° +60° + x + y = 360°
x + y = 240°
Answer:
15,729 =
Step-by-step explanation:
(1 x 104) + (5 x 103) + (7 x 102) + (2 x 101) + (9 x 100) or
(1 x 10000) + (5 x 1000) + (7 x 100) + (2 x 10) + (9 x 1) or
Fifteen thousand, seven hundred twenty-nine
