Which tool does Mai use to check a right angle?, a balance, a thermometer, a set square, An angle fits the right-angle corner of a set square exactly. What is it?, a midpoint, a right angle, a non-right angle, An angle does not fit the right-angle corner of a set square. What is it?, a non-right angle, a segment, a right angle, In the Learn example, angle A matches the right-angle corner of the set square. Angle A is a ____., circle, right angle, non-right angle, In the Learn example, angle B does not match the right-angle corner of the set square. Angle B is a ____., non-right angle, square, right angle, In the Learn example, angle C does not match the right-angle corner of the set square. Angle C is a ____., right angle, rectangle, non-right angle, A corner has one horizontal side and one vertical side meeting like the corner of a book. What kind of angle is it?, a midpoint, a right angle, a non-right angle, Which word completes the name of the tool: set ____?, square, triangle, circle, How many right angles are there at the four corners of the rectangular book?, 5, 3, 4, Complete: Angle A is a right ____., edge, vertex, angle

Unit 18

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