If a snowball melts so that its surface area decreases at a rate of 2 cm2/min, find the rate at which the diameter decreases when the diameter is 15 cm O A. 1 cm/min 20 л B. 2 cm/min 17π OC. -2 cm/min 15 л OD. 1 cm/min 15 л E. None of these

Q: over lapping Find the area of its lso give sepresentation. two ealuation geometaical h= 770

A: The given regions are circles. To find the area between the intersection of two circles. The first…

Q: 4. Chord KO and secant PL intersect at N. What is mZKNL? (A) 20° (B) 30° (C) 60° (D) 80° K 60° M N.…

A: we know that , the angle formed by two intersecting chords is equal to

Q: 60° R M 39. 4 K 40. 12 cm SI cm N/

A:

Q: Find the shaded area: y=x² -2 -1 O to. 8/3 O b. 5/3 O c. 6/3 d. 7/3 3 2 -1+ 2 3

A:

Q: Differentiate y = csc x(x + cot x). ||

A: Differentiate the following

Q: | V49 + x² dx (7) (8) / - ² x – 4 dx x In x

A: Solve by integra

Q: 10 dx. What is the appropriate formula? Given: (A) © Sa" au B 3 fa"au O Sa"au (D)

A:

Q: 2. Find the measure of ZR to one dêčimal place 50° R 15 P 6

A: The given triangle PQR has PR=15and the triangle PQS has PS=6 and ∠Q=50°we have to the measure of ∠R

Q: v0

A:

Q: L N M

A: Use tan trigonometric ratio to find MN.

Q: i Find mZWXY (3x- 1) 65° W X MZWXY =

A:

Q: O 16. Calculate mZD in the triangle below. E 133° D

A: I am going to solve the given problem by using soem simple geometry to get the required result.

Q: 2. Use the formula for area of a circular sector to find the value of the unknown quantity: A-r0. a.…

A:

Q: The area of a circle, A=², changes as its radius changes. If the radius changes with respect to…

A:

Q: 4. Four wheels are attached to belts as pictured below. Assume that wheels B and C are fixed to the…

A:

Q: The radius of a circle is increasing at the rate of 5 mm/s. Find the rate of change of the area when…

A: We know area of circle =πR²