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OpenStudy (tori040403):
Help will fan & medal! What is the area of the triangle? A. 42.14 cm² B. 35.28 cm² C. 21.07 cm² D. 17.64 cm²
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OpenStudy (tori040403):
|dw:1418654118111:dw|
Directrix (directrix):
Is there a right angle where I marked it? |dw:1418654156012:dw|
OpenStudy (tori040403):
yes
Directrix (directrix):
How about up top where I marked it? |dw:1418654200930:dw|
OpenStudy (tori040403):
no
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Directrix (directrix):
We need to use the Pythagorean theorem to find x. Then, we'll know the base and we already have the height and will be able to find the area. |dw:1418654261382:dw|
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