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Derive and Use the Area Formula for Triangles
Worksheet
Grade Level
Grade 6
6.81 Derive and Use the Area Formula for Triangles
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On a coordinate grid, triangle PQR has vertices P(4, 6), Q(14, 6), and R(8, 0). Use PQ as the base. Which answer choice correctly finds the area?
A
10 x 6 = 60 square units
B
1/2 x (10 + 6) = 8 square units
C
1/2 x 10 x 6 = 30 square units
D
10 + 6 = 16 square units
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