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SAT® Subject Test in Math 1 & 2

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Moderate

Area of a Triangle

SATSTM-LT9GO7

Find the area of triangle $\text{RST}$ formed by the points $\text{R }(4,5)$, $\text{S }(-2,-1)$, and $\text{T }(2,-5)$.

A

$12$

B

$12\sqrt{2}$

C

$24\sqrt{2}$

D

$24$

E

$48$