Challenging Primary 5 Math Triangle Question Solved with Instant Homework Help

When it comes to Primary Mathematics, triangle questions involving area and perimeter can often be a source of confusion, especially when different shapes and sizes are involved. Here’s a real question that stumped a student before they turned to on-demand homework help for support.

Question:
A wire 150 cm long is bent to form 4 equilateral triangles as shown below. ΔABC and ΔACG have the same area. ΔCDE and ΔCEF have the same area. Find the length of ABCFE.

This type of question requires not just knowledge of area and perimeter of triangles, but also the ability to apply proportional reasoning and understand geometric relationships. It is a perfect example of how Singapore Math challenges students to think beyond formulas.

Keep reading to see how this question was solved through a real conversation between a student and a mentor using instant homework help. See how a seemingly complex problem becomes manageable with the right guidance.

Real mentors, Real-time answers

???

the length we want is ? of the total
? × 150 = 60 cm
wait what
how isit 2/5
you trace along the ABCFE, it's 2 sides of each triangle correct?
yes
and the total sides of the whole diagram
it's 5 sides for big, 5 sides for small , yes
ye
that's why it's ?
of the total which is 150 cm
oh wow!
ok
YES it's just whether you can "see" the trick
the calculation is actually very straightforward
okay
?

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