Answer:
The angle of A is 80°
Step-by-step explanation:
Given that angle A lies on a straight line which is 180°. So in order to find A, you have to substract 100° from 180° :
∠A + 100° = 180°
∠A = 180° - 100°
∠A = 80°
Answer:
48
Step-by-step explanation:
because I had times 12 and 4 to get 48
Answer:
the symbol is called a tilde
Step-by-step explanation:
it means approximently
(5,-2)
(-3,2)
5 and -3 are y you choose which one to be one and which one to be two. the y and the x have to be over each other. but you choose which one to be y1 and y2
y1-y2
_____
x1-x2
the answer would be -2
