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Svetradugi [14.3K]
2 years ago
5

Fine area in triangle.​

Mathematics
1 answer:
choli [55]2 years ago
3 0
Answer:Area of triangle is 18cm2
There is a dotted line to show us how to do,we know the dotted means we don’t actually work that part out.
1. The bottom added together = 11,now : (11x6) ÷ 2 = 33cm2.
2.The part where there is a dotted triangle: (6x5) ÷ 2 = 15cm2.
3. 33 - 15 = 18.



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