0 like 0 dislike
0 like 0 dislike
Spm form 3 math questions on circle, can someone help me with this, i don’t exactly know how to do this, i guess the interior angle of pentagon is 540 degree but after that how do i find x+y??? Help

2 Answers

0 like 0 dislike
0 like 0 dislike
Hi u/Right_Shape1203,

**You are required to explain your post and show your efforts. _(Rule 1)_**

Please add a comment below explaining your attempt(s) to solve this and what you need help with **specifically**. If some of your work is included in the image or gallery, you may make reference to it as needed. See the sidebar for advice on 'how to ask a good question'. Don't just say you need help with it.

**Failure to follow the rules and explain your post will result in the post being removed**

---

*I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/askmath) if you have any questions or concerns.*
0 like 0 dislike
0 like 0 dislike
A couple of things to note:

1. The triangles OBC, OCD, ODE, OEA are isosceles. So ∠OAE=∠OEA, etc.

2. For a triangle inscribed within a semicircle, the angle opposite the diameter is always a right angle. So angles ∠BCA, ∠BDA, ∠BEA are right angles.

Related questions

0 like 0 dislike
0 like 0 dislike
67 answers
chandanjnu asked Jun 21
How do I get rid of the destructive mindset that Applied and Statistics are "lesser" than Pure Math
chandanjnu asked Jun 21
0 like 0 dislike
0 like 0 dislike
40 answers
Post_RickSilva asked Jun 21
How do you deal with the feeling of not being smart enough for math?
Post_RickSilva asked Jun 21
0 like 0 dislike
0 like 0 dislike
62 answers
VivianBala asked Jun 21
Do any of you guys dream about your math work in your head? OR just math in general?
VivianBala asked Jun 21
0 like 0 dislike
0 like 0 dislike
0 answers
HakBaker asked Jun 21
New to the sub! Wanting to do a math review site and was looking for advice.
HakBaker asked Jun 21
0 like 0 dislike
0 like 0 dislike
3 answers
AlexRich89 asked Jun 21
[amateur question] how do I translate the 3rd quantified statement to a sentence? I just know that the left-hand side of the equation is the Cassini identity.
AlexRich89 asked Jun 21

33.4k questions

135k answers

0 comments

33.7k users

OhhAskMe is a math solving hub where high school and university students ask and answer loads of math questions, discuss the latest in math, and share their knowledge. It’s 100% free!