The perimeter of the sector oab shows in
Webb[Edexcel GCSE June2016-2H Q22] OAB is a sector of a circle, centre O. OCD is a sector of a circle, centre O. OCA and ODB are straight lines. Angle AOB = 75° OD = 6 cm DB = 4 cm Calculate the perimeter of the shaded region. Give your answer correct to 3 … Webb4. The diagram shows a semicircle ABC with centre O and radius 8 cm. Angle AOB = radians. (i) In the case where BOC = 1, calculate the area of the sector . [3] (ii) Find the value of for which the perimeter of sector AOB is one half of the perimeter of sector BOC. [3] (iii) In the case where , show that the exact length of the perimeter of triangle
The perimeter of the sector oab shows in
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WebbThe diagram below shows a circle centre O, with radius r. The length of arc ABC is 3π cm and AOˆC = . 9 2π (a) Find the value of r. (2) (b) Find the perimeter of sector OABC. (2) (c) Find the area of sector OABC. (2) (Total 6 marks) 7.) The following diagram shows a sector of a circle of radius r cm, and angle q at the centre. The WebbShow your working clearly. 10 (Total for Question 13 is 3 marks) a 14. 6 The histogram shows information about the weights, in grams, of some plums. Frequency density 60 90 100 110 70 80 Weight (grams) Work out an estimate for the proportion of these plums with a weight of less than 100 grams. (Total for Question 14 is 3 marks) 10
Webb17 aug. 2024 · A sector is formed between two radii and an arc. To find the perimeter, we need to add these values together. \[\text{Perimeter = Arc length + 2r}\] Here, we are … WebbSolomon Press C2I page 2 1. A 9.2 cm O B Figure 1 Figure 1 shows the sector OAB of a circle of radius 9.2 cm and centre O. Given that the area of the sector is 37.4 cm2, find to 3 significant figures (a) the size of ∠AOB in radians, (2) (b) the perimeter of the sector.(2) 2. The first three terms of a geometric series are (p − 1), 2 and (2p + 5) respectively,
Webb12 0606/21/M/J/11 For Examiner’s Use 11 1.8 rad C A B E O D 12 cm The diagram shows an isosceles triangle AOB and a sector OCDEO of a circle with centre O.The line AB is a tangent to the circle. Angle AOB = 1.8 radians and the radius of the circle is 12 cm. (i) Show that the distance AC = 7.3 cm to 1 decimal place. [2] (ii) Find the perimeter of the shaded … WebbThe perimeter should be calculated by doubling the radius and then adding it to the length of the arc. Perimeter of a Sector Formula. The formula for the perimeter of the sector of …
WebbThe sector has a perimeter of 25 cm. Work out the value of x. Give your answer correct to 1 decimal place. ... The diagram shows a sector OAB of a circle, centre O. Angle AOB = 75° Length of arc AB = 7.2 cm Calculate the area of the sector. Give your answer correct to 3 significant figures.
WebbRDKGames Study Forum Helper. naimaaaaaaaaa. Figure 1 shows a sector AOB of a circle with centre O and radius r cm. The angle AOB is θ radians. The area of the sector AOB is 11 cm^2. Given that the perimeter of the sector is 4 times the length of the arc AB, find the exact value of r. What is the length of the arc AB in terms of [tex]r[/tex ... east of eden timshel meaningWebb9 dec. 2024 · Hence the perimeter of the sector is 25.9 cm.. The perimeter of a sector with a central angle (θ) is given by:. Perimeter = (θ/360) × 2πr. Where r is the radius of the circle and θ is the central angle.. From the diagram attached, θ is 135°.Hence, the area of the sector is: Perimeter = (θ/360) × 2πr Perimeter = (135/360) × 2π(11) Perimeter of sector … east of eliWebbThe diagram shows a sector OAPB of a circle, centre O. AB is a chord of the circle. OA = OB = 6 cm. The area of sector OAPB is 5π cm2 Calculate the perimeter of the shaded … east of eleven portland reviewsWebb3 aug. 2015 · The following diagram shows a sector of a circle of radius r cm, and angle at the centre. The perimeter of the sector is 20 cm. (a) Show that = r 20 2r. (b) The area of the sector is 25 cm2. Find the value of r. (Total 6 marks) 4. (a) For using perimeter = r + r + arc length (M1) 20 = 2r + r A1 r 20 2r AG N0 (b) Finding A = east of elephant rock filmWebbThe diagram shows a sector of a circle ... 1 3 c m 1 3 c m 10 cm 10 cm 15 cm O. 3. Diagram NOT accurately drawn OAB is a sector of a circle, centre O. Angle AOB = 60º. OA = OB = 12 cm. Work out the length ... The radius of the circle is 6 cm. Angle AOB = 120°. Work out the perimeter of the sector. Give your answer in terms of π in its ... east of eden tv mini-series 1981Webb20 feb. 2024 · Thus, The perimeter of the sector OAB is 64 cm. Now, We have to find the area of sector OAB. We know that, Subsitute the required values in the above formula : … east of edinburghWebbEdexcel GCSE June 2024 Paper 2H (Calculator) Solutions. (a) Solve 14n > 11n + 6. (b) On the number line below, show the set of values of x for which –2 < x + 3 ≤ 4. On the grid below, draw the graph of y = 2x – 3 for values of x from -2 to 4. Hannah is planning a day trip for 195 students. She asks a sample of 30 students where they want ... east of eli band