Jackson Wan's answer to jayden's Primary 5 Maths Decimals Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Hi Jayden,
looking at the square area,
100cm^2 = 10cm*10cm
therefore, AD=10cm.
similarly, DC=10cm
EF= 25cm-10cm =15cm
Area of triangle=1/2*base*height and
Sum of areas of the two triangles
= 1/2*ED*AD + 1/2*DC*EF
looking at the square area,
100cm^2 = 10cm*10cm
therefore, AD=10cm.
similarly, DC=10cm
EF= 25cm-10cm =15cm
Area of triangle=1/2*base*height and
Sum of areas of the two triangles
= 1/2*ED*AD + 1/2*DC*EF
Date Posted:
1 year ago
Ty! :)
360 Tutoring Program