?

Geometry

Free Version

Upgrade subject to access all content

Moderate

Radicals: Area/Pythagorean Theorem

GEOM-@XTFY9

McGinness. Created for Albert.io. Copyright 2016. All rights reserved.

Find the exact area of $\triangle {DOG}$ in simplified radical form.

A

$\sqrt {70}$

B

$15\sqrt {7}$

C

$60$

D

$30\sqrt {7}$