Question is attached in following photo:
Can someone please help?
Home
/
Question is attached in following photo: Can someone please help?
Question is attached in following photo:
Can someone please help?
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Step-by-step explanation:
Solution: Here, OR is the hypotenuse of △ABC,
because lines from two ends of diameter always make a right angle when they meet at circumference.
So, BC
2
=AB
2
+AC
2
5
2
+12
2
= 25+144 = 169
= BC = 13
= Or, BC = 13cm Or radius = 6.5cm
Area of triangle =
2
1
x base x height
=
2
1
x 12 x 5
= 6 x 5
30 sq cm
Area of semicircle =
2
1
x π r
2
=
2
1
x π x 6.5
2
=
2
1
x 3.14 x 42.25
=
2
132.665
= 132.665 sq. cm
area of shaded region = 132.665 - 30 = 102.665 sq. cm