The common difference is 2.5 because each number is getting 2.5 added to it to get the next number.
Answer:
B is your answer
Step-by-step explanation:
Answer A is -2
Answer C is many solutions
We know that
the area A of the circular cross section of the pipe is
A=pi*r²
D=20 cm------------- > r=D/2=20/2=10 cm
then
A=pi*10²=100*pi cm²
the answer is A=100*pi cm²
Answer:
the answer of ur language i can understand is only a . so the answer of a is
a)7
A triangle equals to 180°
40 + 30 = 70
180 - 70 = 110
The other remaining interior angles are 110°
