Answer:
volume: 1500 , surface area: 764
Step-by-step explanation:
formula of circle's area

formula of cylinder's surfaces area

Answer: 0.6
Step-by-step explanation:
Answer:
the answer is 69.3
Step-by-step explanation:
Answer:
x, y. and 40 are the angles of a triangle.
x+y+40=180
x+y=140
difference between x and y is 30.
x−y=30 (2)
2x=170
⇒x=85
Substitute this value n equation (2), we get
85−y=30
⇒y=85−30
⇒y=55
angles of a triangle are x=85, y=55 and 40.
Step-by-step explanation: