Answer:
180°
Step-by-step explanation:
cos(x) = - 1 has only 1 solution in the required interval , that is
x =
(- 1) = 180°
Answer:
x=100°
Step-by-step explanation:
Sum of all angles in a quadrilateral=360
60+x+x+x= 360
60+3x= 360
3x= 360-60
3x=300
x=100
Hope it helps :-)
the answer is 63 because 63*2=126 and 126+54=180 and all triangles add up to 180
Answer:
.4
Step-by-step explanation:
Root of 12 is 3.5
Root of 15 is 3.9
3.9 - 3.5 = .4