If triangles $ riangle ABC$ and $ riangle PQR$ have proportional areas and heights, and the height of $ riangle ABC$

Question

If triangles $	riangle ABC$ and $	riangle PQR$ have proportional areas and heights, and the height of $	riangle ABC$ is $a$ units, then the height of $	riangle PQR$ is —

Accepted Answer

$a$

Answer

$2a$

Answer

$3a$

Answer

$4a$

If triangles △ABC\triangle ABC△ABC and △PQR\triangle PQR△PQR have proportional areas and heights, and the height of △ABC\triangle ABC△ABC is aaa units, then the height of △PQR\triangle PQR△PQR is —

If triangles $\triangle ABC$ and $\triangle PQR$ have proportional areas and heights, and the height of $\triangle ABC$ is $a$ units, then the height of $\triangle PQR$ is —