Answer:
60
Step-by-step explanation:
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formula: 1/2 bh this is very important because some angles of the triangle also need to be calculated unlike a square like how they all have right angles, so you get the full area and right answer. Always follow the formula for triangles.
no
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D.1
13=12+? subtract 12 by both sides
1=?
c
Step-by-step explanation:i need points
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