Mongge
Exercises
Collections
Editor
Català
English
Español
Euskera
Italiano
Sign in
Sign up
Sign up
Sombra de un segmento. Foco propio.
janunez
2/16/22
435
Follow
Answer
Solution
}
}
}
}
x
z
y
A
B = B
1
= A
1
F
F
1
URL of the exercise
Embed code
