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3241004551 [841]
3 years ago
12

620 + 107 round estimate the sum

Mathematics
2 answers:
Westkost [7]3 years ago
6 0
Okay. 

 620 would be rounded estimate to 600

& 

107 would be rounded estimate to 100 


BigorU [14]3 years ago
3 0
620+107=727 round it 730 by tenth and 700 by hundredth
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For the answer to the question above, 
<span><J = 100
</span><span>because they are similar they have the same angles
</span>The two triangles are similar, so they must have corresponding angles. Thats one way to define similarity, it can dilate (zoom in /zoom out) , but the angles are preserved. You can also define similarity in terms of the proportionality of the sides. 

"Given △ABC≅△JKL"

The order of the letters counts. 
<A = <J
<B = <K
<C = <L

<span>now you can draw two generic triangles, which have the same three angles, but label the angles accordingly, so they match up.
</span>
<span>then by correspondance we can fill in
</span>nightowlthe third angle can be found by the fact that 
the three angles must add up to 180.
6 0
3 years ago
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