challenge 1
Welcome
TO
Web development
challenge2
x
2
+
y
2
+
2
x
y
=
(
x
+
y
)
2
challenge3
Area of Circle
=
π
r
2
Circumference of Circle
=
2
π
r
challenge4
Here, ABC content is written without using character in HTML code
challenge5
Student
Personal Information
Contact Information
Age
Gender
Phone
Email
John Smith
20
Male
123-456-7890
john@example.com
Emily Johnson
22
Female
987-654-3210
emily@example.com