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A triangular roof has a base of \(10 \mathrm{~m}\) and a height of \(6 \mathrm{~m}\). Find the area of the roof and the cost to cover it with wood if the wood costs 15 dollars per square meter.
\( A =\)
7
8
9
4
5
6
1
2
3
C
0
.
\(\mathrm{~m}^2\) and cost=
7
8
9
4
5
6
1
2
3
C
0
.
dollars
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