Answer:
search it up
Step-by-step explanation:
add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.
Answer:
22.2
Step-by-step
18 times 100 would be 1800 and dived that by 81 and you get 22.2
Answer:
selena is correct
Step-by-step explanation:
1.When all the three cut outs of the angles A, B, C placed adjacent to each other at a point, then it forms a line forming a straight angle, i.e. 180°.
Flence, it is proved that the sum of the three angles of a triangle is 180°.
Therefore, ∠A + ∠B + ∠C =180