Length x width is the formula.
so 18 x 18 for 7.
22 x 24 for 8.
and 8 would probably be 5 x 5 to equal 20. so the length and width would be 5 and 5 because 20 is the area
True every diameter of a circle is a chord.
hope it helps
Answer:
45
Step-by-step explanation:
180-135=45
