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son4ous [18]
3 years ago
12

Find the area of the triangle.

Mathematics
2 answers:
Sedaia [141]3 years ago
5 0

Answer:

86.1yd2

Step-by-step explanation:

area=1/2×b×h

a=1/2×21×8.2

a=86.1yd2

r-ruslan [8.4K]3 years ago
4 0

Answer:

86.1yd

Step-by-step explanation:

area of a triangle= base*height/2

21*8.2=172.2

172.2/2=86.1

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