LMNO is a square. PQN and PLQ are isosceles triangles. Angle QNM is 23 degrees. Find Angle NPQ.SolutionAngle PNO --> 23 deg (mirror image of Angle MNQ)Angle OPN --> 90 deg - 23 deg = 67 degAngle LPQ --> 45 deg (Triangle LQP is isosceles and Angle LPQ is a rt angle)Angle NPQ --> (180 - 45 - 67) deg = 68 degAnswer: 68 degrees
Wednesday, February 17, 2010
Nanyang Pri Sch 2009 P6 CA1 Math Paper 2 Q1
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