All angles=40
therefore, internal angle= 140 degree
therefore, it has 5 sides
Answer:
(See attachment)
The angle = (110 -25) / 2
= 85 / 2
= 42.5
Step-by-step explanation:
Answer:
3/10.
Step-by-step explanation:
Probability (A blue on the spinner) = 12/20 = 3/5.
Probability( tails) = 1/2.
The probability of a blue and tails = 3/5 * 1/2
= 3/10.
The area of the trapizoif is 97.5