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Areas of Triangles


Find the area of the triangles with the sides a, b, c. Use the formulas


s
= 1
2
(a + b + c)
A
= ��________________
s(s - a)(s -b)(s - c)

and please show all work!

��� � ��� a ��� ��� b ��� ��� c ��� ��� Area ���
��� 1. ��� 8 ��� ��� 15 ��� ��� 17 ��� ��� 60 ���
��� 2. ��� 11 ��� ��� 60 ��� ��� 61 ��� ��� ���
��� 3. ��� 13 ��� ��� 84 ��� ��� 85 ��� ��� ���
��� 4. ��� 30 ��� ��� 17 ��� ��� 17 ��� ��� ���
��� 5. ��� 16 ��� ��� 10 ��� ��� 10 ���
6. ��� 8 ��� ��� 5 ��� ��� 5 ��� ��� ���
��� 7. ��� 24 ��� ��� 13 ��� ��� 13 ��� ��� ���
��� 8. ��� 24 ��� ��� 25 ��� ��� 48 ��� ��� ���




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On 30 Mar 2001, 09:31.
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