Mathematics, 08.07.2019 14:50 KF16
Stefan is measuring the angles of a triangle. he measures the first angle and gets a measure of 90°. what does he know about the other two angles? a) they are each 45°. b) they should add up to be 270° c) their measures should add up to be 90° d) he doesn't know anything about the other two angles.
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Stefan is measuring the angles of a triangle. he measures the first angle and gets a measure of 90°....
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