11-14-2025, 10:06 PM
[border]TIER 2 — Foundation Level[/border]
Tier 2 — Challenge 003 — The Classroom Shadow
A lamp is placed on a desk and shines onto a wall.
A student is standing 3 metres from the wall.
The student is 1.6 metres tall, and their shadow on the wall is
[blank] metres tall.
You measure the lamp height as 0.8 metres.
Question:
Using similar triangles, what is the height of the shadow?
Show your triangle setup and steps.
? Submit Your Attempt
Thread title:
Tier 2 Attempt — YourUsername — Challenge 003
Tier 2 — Challenge 003 — The Classroom Shadow
A lamp is placed on a desk and shines onto a wall.
A student is standing 3 metres from the wall.
The student is 1.6 metres tall, and their shadow on the wall is
[blank] metres tall.
You measure the lamp height as 0.8 metres.
Question:
Using similar triangles, what is the height of the shadow?
Show your triangle setup and steps.
? Submit Your Attempt
Thread title:
Tier 2 Attempt — YourUsername — Challenge 003