Ask Singapore Homework?

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



Question

secondary 2 | Maths
One Answer Below

This question need another answer.

Answer This Question
•Welp•
•Welp•

secondary 2 chevron_right Maths chevron_right Singapore

Need part (c) and (d) only

Date Posted: 5 months ago
Views: 35
snell
Snell
5 months ago
r = 12
.
.
.

.
.
.
225 deg
.
.
.
90π
•Welp•
•Welp•
5 months ago
Your (c) and (d) isn’t correct

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
DAI BIN
Dai Bin's answer
78 answers (Tutor Details)
1st
•Welp•
•Welp•
5 months ago
Your (c) is not right
Arnold K H Tan
Arnold K H Tan
5 months ago
All answers are correct except part c
(a) 12 cm
(b) 9 (pi) cm
(c) 0.75 (pi) radians (135⁰)
(d) 54 (pi) cm²
Note that an obtuse angle is between 90⁰ and 180⁰, which is for minor arc OAB. 180⁰ = pi radians