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Friday, 6 March 2020

two angles sum to 45 degrees

a ppt is here

sum to 90 degrees: complementary
sum to 180 degrees : supplementary
sum to 360 degrees: explementary

sum to 45 degrees: halfrightlementary (or anything else...)

this is part of a series of tasks involving a square dot grid and expressing an angle as arc tan (fraction)
in this case, it is exploring what two angles sum to 45 degrees

these were used in several tasks, part of a session at Anne Watson and John Mason's house looking at the topic of 'angle'









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