Please help Match the picture to the reason that would prove the triangles congruent.

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There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

Which statement best explains why ben uses the width hi to create the arc at j from point k