Answer: x = 9
Step-by-step explanation:
The sum of three interior angles of a triangle is 180°.
(9x - 3) + (6x) + 48° = 180°
9x - 3 + 6x + 48 = 180
15x + 45 = 180
15x = 135
x = 9
The average can be calclculated as follows:
average = sum of number/number of numbers
average = (19+45) / 2 = 64/2 = 32
Answer: pretty sure it’s because the left and bottom sides add up to equal the top side
Step-by-step explanation:
Answer:
i can only see 3
Step-by-step explanation:
