13 Find the area of the shaded parts of the figure. 4 cm 3 cm
Attachments:
Answers
Answered by
3
Answer:
7
Step-by-step explanation:
area of circumference = Lenght + breadth
=4+3
=7
PLEASE MARK ME AS BRAINLEST
Answered by
0
Answer:
search-icon-header
Search for questions & chapters
search-icon-image
Question
Bookmark
Find the area of the shaded region in figure, if AC=3 cm, BC=4 cm and O is the center of the circle.
474006
expand
Hard
Solution
verified
Verified by Toppr
Correct option is B)
Given: AC=3 cm, BC=4 cm
In ΔABC,
(AC)
2
+(BC)
2
=(AB)
2
3
2
+4
2
=(AB)
2
9+16=(AB)
2
(AB)
2
=25
AB=5 cm
Area of shaded region = Area of semicircle or side AB− Area of ΔABC
=
2
πr
2
−
2
1
×AC×BC
=
7
22
×
2
2.5
2
−
2
1
×3×4 (Where r=
2
AB
=
2
5
=2.5)
= 9.821−6
=3.821
So, the area of the shaded region is 3.821 cm
2
Similar questions