Estimate how much farther sound travels through stone in 17 seconds than through a aluminum in the same time

The reflexive property of congruence lets you say that ∠pqr ≅

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by