Unit 7 Test

The ratio of the sides of a triangle is 2:6:7. If the perimeter of the triangle is 195 meters, what is the length of the longest side?

The ratio of the angles in a triangle is 3:10:7. What is the measure of the smallest angle?

What is the scale factor of Figure B to Figure A?

• 3:5
• 1:4
• 2:5
• 1:6

If the scale factor of Figure A to Figure B is 3:8, find the value of x.

If triangle GHJ is similar to triangle LMK, with a scale factor of ;, find the perimeter of triangle GHJ.

If triangle HBN is similar to triangle LYR, find the value of x.

If triangle PTS is similar to triangle PQR, find the value of x.

• 14
• 24
• 7
• 9

If triangle FGH is similar to triangle KJH, find FH.

Prove if the triangle are similar, if possible.

• AA similar
• SSS similar
• SAS similar
• Not similar

Prove if the triangle are similar, if possible.

• AA similar
• SSS similar
• SAS similar
• Not similar