TOPIC 15 & 16 ENVISION 4TH GRADE

AN ANGLE THAT TURNS THROUGH 1/360 OF A CIRCLE AND MEASURES ONE DEGREE

A TRIANGLE WITH ALL SIDES ARE EQUAL LENGTH

AN ANGLE THAT FORMS A SQUARE CORNER AND MEASURES 90 DEGREES

A QUADRILATERAL THAT HAS TWO PAIRS OF PARALLEL SIDES

AN ANGLE THAT MEASURES LESS THAN 90 DEGREES AND MORE THAN 1 DEGREE

LINES THAT INTERSECT TO FORM A RIGHT ANGLE

A PART OF A LINE THAT HAS TWO ENDPOINTS

A QUADRILATERAL THAT HAS FOUR RIGHT ANGLES AND ALL SIDES ARE THE SAME LENGTH

LINES THAT PASS THROUGH THE SAME POINT

A STRAIGHT PATH OF POINTS THAT GOES ON AND ON IN OPPOSITE DIRECTIONS

AN ANGLES THAT MEASURES MORE THAN 90 DEGRESS BUT LESS THAT 180 DEGREES

AN EXACT LOCATION IN SPACE

A TRIANGLE WITH ONE OBTUSE ANGLE

A QUADRILATERAL THAT HAS OPPOSITE SIDES THAT ARE PARALLEL AND ALL SIDES ARE THE SAME LENGTH

A TRIANGLE WITH AT LEAST TWO SIDES THAT ARE THE SAME LENGTH

IF IT CAN BE FOLDED ON A LINE TO FORM TWO HALVES THAT FIT EXACTLY ON TOP OF EACH OTHER

A QUADRILATERAL WITH ONE PAIR OF PARALLEL SIDES

LINES THAT NEVER INTERSECT

A LINE ON WHICH A FIGURE CAN BE FOLDED SO BOTH HALVES ARE THE SAME

THE POINT WHERE TWO RAYS MEET IS CALLED.....

THE NUMBER OF DEGREES AN ANGLE TURNS THROUGH IS CALLED ITS.....

A PART OF A LINE THAT HAS ONE ENDPOINT AND CONTINUES ON FOREVER IN ONE DIRECTION

AN ANGLE THAT FORMS A STRAIGHT LINE AND MEASURES 180 DEGREES

A TRIANGLE THAT HAS ONE RIGHT ANGLE

A QUADRILATERAL WITH FOUR RIGHT ANGLES

A TRIANGLE WITH NO EQUAL SIDES

A TRIANGLE WITH THREE ACUTE ANGLES

A TOOL TO USE TO MEASURE AND DRAW ANGLES

ANGLES ARE MEASURED USING THIS UNIT