There are two paths that one can choose to go from Sarah's house to James house. One way is to take C street, and the other way requires to take A street and then B street. How much shorter is the direct path along C street?(Using figure).
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Matching exercise

    
Match the items on the right to the items on the left.
Step 1
Step 2
Step 3
Step 4
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screenshot4.3_2_1.png
screenshot4.3_2_4.png
screenshot4.3_2_2.pngj