My Math Space
Login with your email for the best experience.
August/28 2024: Try our new AMC 8/10 courses. Boost your rating by doing online tests

Hightlight of the week

Problem of the day

If an angle of a triangle remains unchanged but each of its two including sides is doubled, then the area is multiplied by:

$\textbf{(A)}\ 2 \qquad\textbf{(B)}\ 3 \qquad\textbf{(C)}\ 4 \qquad\textbf{(D)}\ 6 \qquad\textbf{(E)}\ \text{more than }6$

Latest update

Math competition comprehensive report.

Adaptive math practice Watch video tutorial