Answer:
Step-by-step explanation:
can u sws?
1,2,5,10 are all common factors of 90 and 80
Answer:
b = 30
Step-by-step explanation:
The sum of the 2 angles above the line will equal the angle below the line
3b + b - 15 = 2b + 45
4b - 15 = 2b + 45 ( subtract 2b from both sides )
2b - 15 = 45 ( add 15 to both sides )
2b = 60 ( divide both sides by 2 )
b = 30
Hello!
To find the area of a circle you use the equation

r is the radius which is half the diameter

Square 18.5

Put this into the calculator and you get the answer of about 1075.21
The answer is about 1075.21
Hope this helps!