Mathematics, 02.05.2021 14:00 alkaline27
Fig. A shows a paper cup in the shape of an inverted right circular cone. Its base radius is 4 cm and its slant height is 8.5 cm.
(a) Find the capacity of the paper cup.
(b) The paper cup is cut along PQ to form the sector in Fig. B. Find
(i) the area of the sector,
(ii) the angle of the sector.
(a)
Height of the cup
=
=7.5 cm
The capacity of the cup
=
=126 cm³ (cor. to 3 sig. fig.)
(b)(i)
The area of the sector
=
=107 cm² (cor. to 3 sig. fig.)
Can you help me for (b)(ii)?
Answers: 3
Mathematics, 21.06.2019 13:40
The pressure exerted on the walls of a container by a gas enclosed within it is directly proportional to the temperature of the gas. if the pressure is 6 pounds per square inch when the temperature is find the pressure exerted when the temperature of the gas is 380 degrees f show work for the
Answers: 2
Mathematics, 21.06.2019 17:30
Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250
Answers: 2
Mathematics, 21.06.2019 21:00
Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?
Answers: 1
Fig. A shows a paper cup in the shape of an inverted right circular cone. Its base radius is 4 cm an...
Mathematics, 19.10.2021 14:00
Mathematics, 19.10.2021 14:00
Social Studies, 19.10.2021 14:00
Mathematics, 19.10.2021 14:00
History, 19.10.2021 14:00
Mathematics, 19.10.2021 14:00
Physics, 19.10.2021 14:00