Arnold K H Tan's answer to Rosie's Secondary 3 E Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Arnold K H Tan
Arnold K H Tan's answer
2155 answers (A Helpful Person)
1st
Can also use the shoelace method taught under Amath, for the area of a quadrilateral... especially is the base and height is not easily calculated.
Rosie
Rosie
1 year ago
oh my teacher has not taught that meyjod yet
Rosie
Rosie
1 year ago
hello, how do u find a ?