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6 Cards in this Set

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  • Back
SUM OF THE INTERIOR ANGLES
the interior triangle add up to 180 degress
MEASURE OF THE EXTERIOR ANGLE
the measure of theexterio of the a triangle is equal to the sum of the measure of the remote interior angles
SUM OF THE EXTERIOR ANGLE
THE MEASURE OF THE THREEEXTERIOR ANGLES OF ANY TRIANGLE ADD UP TO 360
THE GENERAL FORMULA OF THE AREA OF A TRIANGLE IS ALWAYS THE SAME. THE
1/2 BASE * HEIGHT

THE HEIGHT IS PERPENDICULAR DISTANCE BETWEEN THE SIDE THAT'S CHOSEN AS THE BASE AND OPPOSITE VERTEX
ISOSCELES TRIANGLE
AN ISOSCELES TRIANGLE THAT HAS TWO EQUAL SIDES . NOT ONLY ARE TWO SIDES EQUAL BUT THE ANGLE OPPOSITETHE EQUAL SIDES, CALLED BASE ANGLES AREALSO EQUAL.
EQUALATERAL TRIANGLES
IS A TRIANGLETHEAT HAS THREE EQUAL SIDES. SINCE ALL THE SIDES ARE EQUAL, ALL THE ANGLES ARE ALSO EQUAL. ALL THREE ANGLES ALL THREE ANGLES MEASURE 60 DEGREES REGARDLESS