Answer:
110
Step-by-step explanation:
longest side would by 40 so 40 - 20 = 20. Add all the sides up 25+25+40+20=110
Answer:
Addition
Step-by-step explanation:
means to add
Answer:
Equation: Y=8x+9, y-intercept: (0,9)
Step-by-step explanation:
An equation is set up in the format of y = mx+b, so simply plug the appropriate numbers in for those variables.
Answer:
a square
Step-by-step explanation:
Answer:
Step-by-step explanation:
a) r = 10/2 = 5 feet
Area of floor =πr² =3.14*5*5 = 78.5 feet²
B) h = 3 foot
Volume of cylinder = πr²h = 3.14*5*5*3 = 235.5 cubic feet
Volume of hemisphere =2/3πr³= 2*3.14*5*5*5/3=261.67 cubic feet
Volume of space inside the observatory = 497.17 cubic feet