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Use Heron's Area Formula to Find the Area of the Triangle

Question 27

Multiple Choice

Use Heron's area formula to find the area of the triangle pictured below, if a=8a = 8 inches, b=10\mathrm { b } = 10 inches, and c=4\mathrm { c } = 4 inches.
Use Heron's area formula to find the area of the triangle pictured below, if a = 8 inches, \mathrm { b } = 10 inches, and \mathrm { c } = 4 inches. A) \sqrt { 21 } B) 16 C) 40 D) 12 \sqrt { 21 } E) \sqrt { 231 }


A) 21\sqrt { 21 }
B) 16
C) 40
D) 122112 \sqrt { 21 }
E) 231\sqrt { 231 }

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