IKMC 2027 - Grades 7-8 - Self-study SET 3 - Thematic Batch 3 Question 6

Question 6

Trapezoid $ABCD$ is divided into four triangles of areas $S_1,S_2,S_3,S_4$ as shown. Given $S_2=3S_1$, which statement is true?

Question illustration

$S_4=3S_1$
$S_4=4S_1$
$S_4=6S_1$
$S_4=9S_1$
$S_4=12S_1$