3NA Congruence and Similarity

Two figures are similar if they have exactly the same (a)   but not necessarily the same size.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

What is the scale factor of the two figures?

• 1.2

• 1.71

• 2

• 8.4

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CCSS.7.G.A.1

 $\Delta ABC$  and  $\Delta PRQ$  are similar, the value of  $\angle PRQ=$   (a)    $\degree$  

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CCSS.HSG.SRT.A.2

 $\Delta ABC$  and  $\Delta PRQ$  are similar, the value of  $\angle BAC=$   (a)    $\degree$  

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CCSS.HSG.SRT.A.2

Given that $\Delta ABC$ is similar to  $\Delta PRQ,$ find the values of  $x\degree.\$  

(a)  

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CCSS.HSG.SRT.A.2

Given that $\Delta ABC$ is similar to  $\Delta PRQ,$ find the values of  $y.\$  

(a)  

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CCSS.HSG.SRT.A.2

Determine the height of the wall $x.$  

(a)  

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CCSS.HSG.CO.C.9

Which are the two similar triangles?

• $\Delta ABC\ \&\ \Delta ADE$

• $\Delta ABC\ \&\ \Delta BCDE$

• $\Delta ADE\ \&\ \Delta BCDE$

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CCSS.HSG.SRT.A.2

The scale of a building plan is 1 cm to 50 cm. Calculate the actual length, in meter, of a bedroom if it is represented by a length of 9.2 cm on the plan.

(a)  

Tags

CCSS.7.G.A.1

The scale of a building plan is 1 cm to 50 cm.

Calculate the length on the plan that represents an actual length of 28 m.

(a)  

Tags

CCSS.7.G.A.1