Homework Help: algebra

Posted by Logan on Monday, December 12, 2011 at 4:27pm.

There are two similar triangles. The angles are: from top to bottom left: DE, from bottom left to right: EF, And from Top to bottom right corner: DF. DE: 10.32 cm.EF: 8.88 cm.FD 12.24 cm. The angles are: D,top,45 Degrees. E, bottom left corner, 79 Degrees. And F, Bottom right corner, 56 Degrees. On the other Triangle, The sides are SQ, Top to bottom left corner. QR, Bottom left to right.And SR, Top to bottom right. SQ:4.3 cm,QR: 3.7 cm and SR: 5.1 cm. What is Angle R?

algebra - Steve, Tuesday, December 13, 2011 at 10:40am
Since the sides are in common ratio between triangles, the triangles are similar. So, corresponding angles are equal.

Angle R id congruent to Angle F.

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