find the perimetre and area of a semicircle of radius 5.6 cm
Answers
Answered by
14
Hi ,
radius of the
semicircle ( r ) = 5.6cm
1 ) perimeter of the semicircle
= πr + 2r
= 22r/7 + 2r
= r ( 22/7 + 2 )
= r ( 22 + 14 ) /7
= 36r/7
= ( 36 × 5.6 ) /7
= ( 36 × 0.8 )
= 28.8 cm
2 ) area of the semicircle
= π r²/2
= ( 22 × 5.6 × 5.6 )/ ( 7 × 2 )
= 11 × 5.6 × 0.8
= 49.28 square cm
MARK AS BRAIN LIST PLS!!!!!!!!!!
radius of the
semicircle ( r ) = 5.6cm
1 ) perimeter of the semicircle
= πr + 2r
= 22r/7 + 2r
= r ( 22/7 + 2 )
= r ( 22 + 14 ) /7
= 36r/7
= ( 36 × 5.6 ) /7
= ( 36 × 0.8 )
= 28.8 cm
2 ) area of the semicircle
= π r²/2
= ( 22 × 5.6 × 5.6 )/ ( 7 × 2 )
= 11 × 5.6 × 0.8
= 49.28 square cm
MARK AS BRAIN LIST PLS!!!!!!!!!!
Answered by
5
ur answer is right here
For perimeter plz
πr + 2r
22/7 (5.6) + 2(5.6)
17.6 + 11.2
28.8 cm
MARK BRAINLIEST PLZ
¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤
For perimeter plz
πr + 2r
22/7 (5.6) + 2(5.6)
17.6 + 11.2
28.8 cm
MARK BRAINLIEST PLZ
¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤
Attachments:
Similar questions