Similiar triangles are useful for determining the sizes of items which are difficult to measure by hand. Typical examples include building heights, tree heights and tower heights. Similiar triangles can aslo be used to measure how wide a river or lake is.
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Answer:
For measuring items that are difficult to measure
Step-by-step explanation:
Similiar triangles are useful for determining the sizes of items which are difficult to measure by hand. Typical examples include building heights, tree heights and tower heights. Similiar triangles can aslo be used to measure how wide a river or lake is.