Free Printable 7-3 Skills Practice

1.

Determine whether the triangles are similar. If so, write a similarity statement. If not, what would we need to prove the triangles are similar?

a)

Yes; $\Delta RST\sim\Delta SWX$ by $SAS\sim$

b)

Yes; $\Delta RST\sim\Delta WSX$ by $SAS\sim$

c)

Yes; $\Delta RTS\sim\Delta WSX$ by $SSS\sim$

d)

Not similar; wrong sides congruent

2.

Determine whether the triangles are similar. If so, write a similarity statement. If not, what would we need to prove the triangles are similar?

a)

$Yes;\ \Delta ABC\sim\Delta QPR\ by\ SSS\sim$

b)

$Yes;\ \Delta CAB\sim\Delta PQR\ by\ SSS\sim$

c)

$Yes;\ \Delta ABC\sim\Delta RQP\ by\ AA\sim$

d)

Not Similar; sides don't match up

3.

Determine whether the triangles are similar. If so, write a similarity statement. If not, what would we need to prove the triangles are similar?

a)

$Yes;\ \Delta STU\sim\Delta MJP\ by\ SSS\sim$

b)

$Yes;\ \Delta UST\sim\Delta JMP\ by\ SAS\sim$

c)

$Yes;\ \Delta UST\sim\Delta MJP\ by\ SAS\sim$

d)

Not Similar; wrong sides

4.

Determine whether the triangles are similar. If so, write a similarity statement. If not, what would we need to prove the triangles are similar?

a)

$Yes;\ \Delta SKM\sim\Delta QRT\ by\ AA\sim$

b)

$Yes;\ \Delta SKM\sim\Delta RTQ\ by\ AA\sim$

c)

$Yes;\ \Delta KSM\sim\Delta RTQ\ by\ AA\sim$

d)

Not Similar; angles don't match

5.

Identify the similar triangles. Then find AC.

a)

$\Delta CAB\sim\Delta DBE;\ 16$

b)

$\Delta ABC\sim\Delta DBE;\ 15$

c)

$\Delta CAB\sim\Delta DBE;\ 15$

d)

$\Delta ABC\sim\Delta DBE;\ 16$

6.

Identify the similar triangles. Then find JL.

a)

$\Delta JLK\sim\Delta MLN;\ 10$

b)

$\Delta JLK\sim\Delta MLN;\ 28$

c)

$\Delta LJK\sim\Delta MLN;\ 28$

d)

$\Delta LJK\sim\Delta MLN;\ 10$

7.

Identify the similar triangles. Then find EH.

a)

$\Delta HEG\sim\Delta FED;\ 9$

b)

$\Delta HEG\sim\Delta FDE;\ 9$

c)

$\Delta HEG\sim\Delta FED;\ 4$

d)

$\Delta HEG\sim\Delta FDE;\ 4$

8.

Identify the similar triangles. Then find VT.

a)

$\Delta TRS\sim\Delta UTV;\ 5.4$

b)

$\Delta RTS\sim\Delta UTV;\ 3.4$

c)

$\Delta TRS\sim\Delta UTV;\ 3.4$

d)

$\Delta RTS\sim\Delta UTV;\ 5.4$

7-3 Skills Practice

Total questions: 8

Worksheet time: 40mins

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