Sunday
March 29, 2015

Homework Help: Trigonometry

Posted by zoya on Saturday, September 22, 2012 at 5:46pm.

a diagram shows a cross section of a triangular prism.
AB=BC=7cm. BM=5cm
m is the midpoint of the line segment AC.
a) explain why angle AMB must be a right angle.
b) calculate angle BCM.
c) calculate area of the triangle

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