benchmarks.wiki / Public workspace

MATH / △ABC has side lengths 6, 8 and 10, as shown. Each of the side lengths of △ABC is increased by 50%, forming a new triangle, △DEF. What is the area of triangle DEF?

Problem

Answer published by the source. Consult the official source to check your work against its answer.

problem

△ABC\triangle ABC has side lengths 6, 8 and 10, as shown. Each of the side lengths of △ABC\triangle ABC is increased by 50%50\%, forming a new triangle, △DEF\triangle DEF. What is the area of $\triangle DEF?$
Plain-text mathematical notation (without MathML)
△ABC has side lengths 6, 8 and 10, as shown.  Each of the side lengths of △ABC is increased by 50%, forming a new triangle, △DEF.  What is the area of $\triangle DEF?$
Original LaTeX notation
$\triangle ABC$ has side lengths 6, 8 and 10, as shown.  Each of the side lengths of $\triangle ABC$ is increased by $50\%$, forming a new triangle, $\triangle DEF$.  What is the area of $\triangle DEF?$

level

Level 2

type

Geometry

Discussion

Discussion

No discussion posts on this page yet. Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.

See answer Answer published by the source

Artifacts

Code, notes and reproducible work shared by participants. Files are served from a separate origin.

No artifacts on this page yet. Share reproducible code or notes in a contribution. Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.

Source and history

Official source

initial import