Question

solve the question

find the radian measure corresponding to the following degree measure.

75degree

another question,

2 ) the minute hand of a clock is 20 CM long .how far does the tip of the hand movie in 20 minutes ?


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answer questions

Answer 1

hey mate !!

here is your answer !!

in the questions user asking ,

1 . find the radian measure corresponding to the following degree measure.

75°

solution

75 ° =( 75 × π / 180)°

=( 15 ×π / 36)°

=( 5×π/ 12°)

= [5π/ 12°]



2 . questions

the minute hand of a clock is 20 CM long .how far does the tip of the hand movie in 20 minutes ?

solution

the tip of minutes - hand makes one complete revolution in 1 hour.

so,

Angle traced by minutes hand in 40 minutes.

$\frac{360}{60} \times 20$

= 6 × 20 = 120°
change in radian ,

= 120 × π / 180 radian

= 60 ×π / 90radian

= 30×π/45radian

=2×π/3 radian

= 2π/ 3radian

now , length of minutes hand = 20cm

so ,

l / r = ${\theta}$

l /20 = 2π/3

l = 40π/ 3


therefore distance moves by the tip of minutes hand equal to 40π/3 cm

be brainly

Answer 2

Answer:

75°. = 5π / 12

Thank. you for. seeing. my. answer.