10 E 51° 108° (a) Giving your reasons, show that ZOBD = 18° B Figure 2 Figure 2 shows the circle ABCDE with centre O. The chords AE and BD intersect outside the circle at the point F. LBCD = 108° ZADB = 51° accurate Given that AE = 4.9 cm, EF = 3.5 cm and DF = 3.0 cm, (b) calculate the area, in cm² to 3 significant figures, of AABF.

Q: n circle M shown, diameter SW intersects chord VT at R such that mVS =] ne following is the measure…

A: It is given that, diameter, we have to find,

Q: Find the area A of the sector in the figure. (Assume r = 8 and ? = 61°.)

A: Given that : r = 8 and θ = 61°.  To find : Area of sector Area of sector = (θ/360) πr2.

Q: 520 X. Y 14.2

A:

Q: 17 A submarine was situated 800 feet below sea level. Answer: feet

A: Since you have asked multiple question, we will solve the first question for you as per our guide…

Q: A b X a X B

A:

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A: use Pythagoras theorem for finding the value of QS.

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A:

Q: D E F K 72 G 106° H.

A: Here DF is a tangent to the circle at point Q at E.  To find the measure of Arc EH.     Draw the…

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Q: Find the sector area of the shaded area in the circle. 10 cm А. 34.91 cm2 С. 279.25 cm2 40 В. 69.81…

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Q: 40 mZ1 = %3D 7. 100

A:

Q: 3. Find the angle subtended by an arc of length 15 ft in a circle of radius 7 ft. S = V ^ Wb

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Q: Find the area of the sector of a circle with diameter 34 feet and an angle of 7π/4 radians.

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Q: Diagram shows a quadratit OCD and o sector D BA with the Common centre, 0. OCB is a straight line.…

A: Given diagram is                                                                OA=OB=14 cmOC=12OB=7…

Q: 6. If AF = 23in find the length of arc EC and the area of that sector. %3D 87 148 F E D B.

A:

Q: the plain, the team observes that the angle of elevation to the top of the mountain is 26°. From a…

A:

Q: Find the area of the sector: 14 mi 270°

A: Given:r = 14 miFraction of area shaded = 270°360° = 34

Q: In the figure to the right, a semicircle with an area of 12 intersects a triangle. If x = 90, what…

A: The figure