Answer:
B.
Step-by-step explanation:
First angle 1 and 2 add up to 180 and then angle 2 and 3 also add up to 180. So angle 2 is common hence both are congruent to each other.
Answer:
70
Step-by-step explanation:
another angle is 150 - 130 degree
so look at the triangle
we know x + 90 + 20 = 180 degree
so x = 70 degree
Answer:
20 %
Step-by-step explanation:
70 X 0.20% = 56
Answer:
1/6
Step-by-step explanation:
on the cube, each number is listed one time. if he rolls the cube one time, he has 1/6 chance of it landing on 4.