Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Question

secondary 3 | E Maths
2 Answers Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Ugandan Knuckles
Ugandan Knuckles

secondary 3 chevron_right E Maths chevron_right Singapore

How to do this question? Thanks in advance

Date Posted: 5 years ago
Views: 282

See 2 Answers

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
I did this question in radian angle form.
Eric Nicholas K
Eric Nicholas K
5 years ago
In radian form, formula for area of sector is 0.5 * radius * radius * theta.

Area of a triangle, given two lengths and the included angle, is 0.5 * length 1 * length 2 * sin theta. In this case, both lengths are radii. The angle used must be in radians for consistency.

This question can be done in degree form as well like Sin Yee does, or using the method that Mei Xuan uses.
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Sin Yee
Sin Yee's answer
443 answers (A Helpful Person)