Challenger App

No.1 PSC Learning App

1M+ Downloads
Find the radius of the circle in which a centrall angle of 60° intercepts an arc of length 37.4 cm (use ∏=22/7)

A39.2 cm

B17.85 cm

C23.8 cm

D35.7 cm

Answer:

D. 35.7 cm

Read Explanation:

l = 37.4cm 𝚹=60° = ∏/180 x 60 = ∏/3 r= l/𝚹 =37.4 x 3/∏ =37.4 x 3 x 7 / 22 =35..7 cm


Related Questions:

Given that 4tanA = 3 , then the value of4sinAcosA4sinA+cosA\frac{4sinA-cosA}{4sinA+cosA} is

In the adjoining figure line l is parallel to m. What is the value of 2x+y ?

image.png

AB = 10cm, BC = 8cm, ∠CAB = 30 എന്ന ത്രികോണത്തിന്റെ വിസ്തീർണ്ണം കണ്ടെത്തുക

1000114764.jpg

The least value of 8 cosec2θ + 25 sin2 θ is:

If sinθ = 45 , Find the value of sin3θ