Angles in Triangles

Find the measure of the acute angles

• 33 and 57

• 37 and 53

• 36 and 54

• 34 and 56

In ΔPQR, PR is extended through point R to point S.  

m∠QRS=(7x+8) $\degree$  , m∠RPQ=(x+12) $\degree$  , and  m∠PQR=(3x+20) $\degree$  .  Find  m∠RPQ.

• m∠RPQ=20 $\degree$  

• m∠RPQ=44 $\degree$  

• m∠RPQ=8 $\degree$  

• m∠RPQ=64 $\degree$  

Classify the triangle by the angles and the sides

• Obtuse and Isosceles

• Obtuse and Scalene

• Right and Isosceles

• Obtuse and Scalene

Find the measure of the smallest angle

• 57

• 47

• 37

• 67

Which two triangles are congruent by the SSS theorem?

• $\Delta$ ZXY $\cong$ $\Delta$ CED

• $\Delta$ XYZ $\cong$ $\Delta$ CDE

• $\Delta$ ZYX $\cong$ $\Delta$ EDC

• $\Delta$ ZXY $\cong$ $\Delta$ DEC

Which two triangles are congruent by the ASA theorem?

• $\Delta$ UTV  $\cong$ $\Delta$ RPQ

• $\Delta$ VUT  $\cong$ $\Delta$ PRQ

• $\Delta$ TUV $\cong$ $\Delta$ QRP

• $\Delta$ UVT  $\cong$ $\Delta$ PQR

Find the measure of the smallest angle

• 29 $\degree$

• 39 $\degree$

• 49 $\degree$

• 59 $\degree$

Find m<M

• m<M=84

• m<M=80

• m<M=74

• m<M=8

Find m<A

• m<A=31

• m<A=21

• m<A=41

• m<A=5

Find the length of side KJ

• KJ=32

• KJ=31

• KJ=13

• KJ=14