The diagram shows a sector oacb of a circle
WebA slice of pizza is a sector; a window pane divides a circular window into sectors. Properties of a sector. A sector of a circle is defined by the region bounded by two radii (plural for … WebQuestion: 19 The diagram shows a sector OAPB of a circle, centre 0. P B Diagram NOT accurately drawn 80° 0 AB is a chord of the circle. Angle AOB = 80° 25 The area of sector …
The diagram shows a sector oacb of a circle
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WebThe following diagram shows a circle of centre O, and radius r. The shaded sector OACB has an area of 27 cm2. Angle AOˆB = θ = 1.5 radians. O r A C B (a) Find the radius. (b) Calculate the length of the minor arc ACB. 2. The circle shown has centre O and radius 3.9 cm. diagram not to scale Points A and B lie on the circle and angle AOB is 1.8 ... WebDec 18, 2024 · The diagram shows a sector OACB of a circle with centre O. The point C is the midpoint of the arc AB. The diagram also shows a hollow cone with vertex O. The …
WebThe diagram shows a sector CAB which is part of a circle with centre C. A circle with centre O and radius r lies within the sector and touches it at D, E and F, where COD is a straight line and angle ACD is θ radians. (a) Find CD in terms of r and sin θ It is now given that r = 4 and θ = 1/6 π (b) Find the perimeter of sector CAB in terms of π WebArea of sector of circle = (lr)/2 = (8 × 20)/2 = 80 square units. Example 3: Find the perimeter of the sector of a circle whose radius is 8 units and a circular arc makes an angle of 30° at the center. Use π = 3.14. Solution : Given that r = 8 units, θ = 30° = 30° × (π/180°) = π/6.
WebAug 16, 2024 · the diagram shows a sector OPQ of a circle with centre O. the radius of the circle is 18m and the angle POQ is 2π / 3 radians. a) find the length of the arc PQ, giving … WebThe diagram above shows the sector OAB of a circle with centre O, radius 9 cm and angle 0.7 radians. (a) Find the length of the arc AB. (2) (b) Find the area of the sector OAB. (2) …
WebThe diagram shows a sector OAB of a circle with centre O and radius r cm. The angle AOB is radians and the perimeter of the sector is 30 cm. a) Show that = 30/r 2. b) Find the area of the sector in terms of r. c) Find the maximum possible area of the sector. rcm. Chapter 10, Exam Style Paper B #11.
WebThe diagram below shows a circle with centre O and radius 8 cm. diagram not to scale The points A, B, C, D, E and F are on the circle, and [AF] is a diameter. The length of arc ABC is 6 cm. (a) Find the size of angle AOC. (2) (b) Hence find the area of the shaded region. (6) The area of sector OCDE is 45 cm2. (c) Find the size of angle COE. temperatura paris maioWebTranscribed Image Text: The following diagram shows a circle of centre O, and radius r. The shaded sector OACB has an area of 27 cm. Angle AOB = 0= 1.5 radians. А (a) Find the radius. (b) Calculate the length of the minor arc ACB. 3. Expert Solution Want to see the full answer? Check out a sample Q&A here See Solution star_border temperatura parla mañanaWebThe diagram shows a sector of a circle, centre O. The radius of the circle is 13 cm. The angle of the sector is 150°. Calculate the area of the sector. Give your answer correct to 3 … temperatura parla hoyWebMay 20, 2024 · 11 The diagram shows a sector OACB of a circle, centre O, in which angl eAOB=2.5 adians. The line AC is parallel to OB. i Show that angle AOC=5- π radians. 3] Given that the radius of the circle is 12 cm, find ii the area of the shaded region. [3] iii-the perimeter of the shaded region. 3] Question Gauthmathier7509 Grade 12 · 2024-05-20 temperatura parnaíba piWebThe diagram shows a sector of a circle with centre O. The radius of the circle is 8 cm. PRS is an arc of the circle. PS is a chord of the circle. Angle POS = 40° Calculate the area of the shaded segment. Give your answer correct to 3 significant figures. ..... cm2 (Total 5 marks) temperatura parla junioWebThe diagram shows the sector OAB of a circle with centre O and radius 20m. Angle AOB = /2 radian. The straight line CD divides the sector into two regions which have equal areas and the lengths of OC and OD are equal. Calculate the exact length of OC. A C 0 … temperatura parma italiaWebMay 5, 2024 · equation / 22 The diagram shows a sector OACB of a circle with centre 0. Volume of cone= 1/3 _ π r2h The point C is the midpoint of the arc AB. temperatura parma ora