Need help with this P5 question. Couldn't get to the answer "12". Thanks.
Replies
3
Zhong Shu Hao
Area of Square = Length × Length
AF = ½ × Length
Area of triangle = ½ × AF × Length
Area of triangle = ½ × ½ × Length × Length
Area of triangle = ½ × ½ × Area of square
Area of triangle = ½ × ½ × 48
Area of triangle = 12
6 years ago
Raymond Ng
6 years ago
Sh Lim
Triangle ACF = 1/4 of square
= 48÷4
= 12 sq cm
6 years ago
Travis Neo
Asked 9 years ago
SG
chevron_right
Secondary 3
chevron_right
Number and Algebra
Can someone help me with this? Thanks in advance!
Replies
5
Chia-Chan Bk
Question should be 1/(n(n+2))=1/(2n) - 1/(2(n+2))
6 years ago
Travis Neo
Ya i tried using that formula and it doesnt reduce to anything solvable by a p6 without a calculator. Mmz...just realized formula got error..