11th Math Practical No.1 Angle and its measurement. Answer Solution | Maharashtra Board HSC Board | Balbharati

     

11th Std Math Practical

Mathematics and Statistics (Arts and Science)

Answers (Solutions)

Practical  No.1

1) Angle and its measuremen

Practical Session No. 1 Angle and its measurement

11th-Math-Practical-No-1-Angle-and-its-measurement-answer-solution-Balbharati-Maharashtra-Board-HSC-Board

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• Aim
• Apparatus
• Diagram
• Farmula
• Theory :
• Procedure:
• Observations/Table
• Result :
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• MCQ :
• Short Answer Questions :

Practical Session No. 1

 Angle and its measurement

(1) Find the radian measure of the angle between hour-hand and minute-hand of a clock

at : (i) twenty minutes past two (ii) ten minutes past eleven

(iii) thirty minutes past six (iv) five minutes past one

(2) Find the exact time when the angle between hour-hand and the minute-hand of a

clock will be :

(i) 440 for the first time after 12 O’clock. (ii) 590 for the first time after 6 O’clock.

(3) A wire of length 10 cm is bent to form an arc of a circle of radius 4 cm. Find the

radian and degree measure of the angle subtended by the arc at the center of the circle.

Also find the area of the corresponding sector.

(4) Arrange following angles in ascending order : 𝜋𝜋𝑐𝑐, 𝜋𝜋0, 3𝑐𝑐, 1000,

𝜋𝜋

2

𝑐𝑐

(5) ABCDEFGH is a regular octagon inscribed in a circle of radius 1 unit. O is the center

of the circle. Find

(i) radian measure of ∠AOB (ii) 𝑙𝑙(chord 𝐴𝐴𝐴𝐴) (iii) 𝑙𝑙(arc 𝐴𝐴𝐴𝐴)

(iv) area of the region enclosed between chord AB and arc AB.

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