Question

ln a circle ,the length of one chord is 4.2cm and its distance from the centre is 2.8cm.what is the raduis of the circle?​

Answer 1

Answer:

in a circle. Lesson. 1-4. Tell whether the angles are only adjacent, adjacent and ... Classify each triangle by its angle measures. 1. ... Round lengths to the nearest tenth and angle measur

Step-by-step explanation:

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Answer 2

Answer:

In 60 minutes, minute hand completes 360

0

i.e., one rotation.

⇒ in 1 minute, minute hands completes

60

360

∘

=6

∘

Hence, in 5 minutes the angle covered is is 6×5=30

o

.

The angle of sector formed is 30

o

.

The area swept by the minute hand in 5 minutes=

360

30

×π×14×14

Using π=

7

22

, we get

The area swept by the minute hand in 5 minutes =

3

154

sq. cm

Step-by-step explanation:

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