Answer:
A. 5cm, 6cm, 7cm
Step-by-step explanation:
Answer:
Peter missed five questions.
Step-by-step explanation:
Since the test has twenty-five questions, and Peter got 80% correct...
80/100 = __/25 <--What number is the numerator?
Well, to get from 100 to 25, you have to divide by 4. 100/4 = 25.
Now, what is 80/4? If you do the math, you should get 20.
25 (Total Questions) - 20 (Questions Correctly Answered) = 5 (Questions Incorrectly Answered)
Answer:
a) centre angles are double the circumference
b) 60 degrees
c) 120 degrees
Step-by-step explanation:
for c) the opposite angles in a cyclic quadraleteral add to 180 so take 60 from 180 to get 120