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How many degrees are there in
a) 2/5 of a astraight angle b) 2 1/2 right angles c) four right angles
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A= 2/5×180=2×36=72 degree
B=2 ×1/2×90=2×45=90 degree
C=4×90=360degree
B=2 ×1/2×90=2×45=90 degree
C=4×90=360degree
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