4. If r denotes radius, denotes angle in radians, s denotes arc length and A denotes sector area, find the missing quantity. (a) r = 10 m, 0 = rad, s = ? (b) r = 5 cm, A = 3 cm³, 0 = ?

Q: Two circles of radii 2 cm and 8 cm touch externally. Find the length of their direct common tan-…

A:

Q: 5. DA is tangent to the circle. Find arc AB 133° E

A: Let's name the point F :   To find: Arc AB.

Q: 7) Use the unit circle to find all values of t between 0 and 27 a) cost = V3 b) sin t = 21

A:

Q: Find the inverse of f (x) = Given f (x) 3-4x = X state the domain of f and f-1 in interval notation.…

A:

Q: A 70 foot tall flag pole r feet from an observer subtends an angle of 2.5°.   Use the arc length…

A: Figure:-

Q: 5. For the right triangle below, what are (a) the length of the unknown side, (b) the tangent of 0…

A: Given,            The right triangle is shown below :

Q: What is the definition and formula for arc length?

A: The arc length is the measure of the distance along an arc in a circle. The length of arc is…

Q: Consider the circle of radius r=9 cm. A segment in this circle is enclosed by a chord AB and a minor…

A: Draw a circle of radius r=9 cm: Draw a chord AB of length 5 cm:

Q: 9. A windmill has a radius of 8m and rotates once every 20 seconds. The centre of the wheel is 20…

A:

Q: Two circles with radii 9cm and 6cm are 2cm apart. What is the length of the common internal tangent?…

A:

Q: 19. If = 20° subtends an arc on a circle of radius 5 ft, then the length of the arc is (a) 100 ft…

A: Given query is to find the arc length.