Classify Triangles. by the Angle Measure &The Side Lengths. Properties a SCALENE Triangle angles 1.Sum of the interior
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1 Classify s by the Angle Measure &The Side Lengths Foldable Resource & Reference Properties a SCALENE angles 1.Sum of the interior equals The measure of each is side length is. different Note: If a triangle is SCALENE then the measure of the three angles is congruent.
2 N.I.A. s Secondary Math Market FOLD LINE
3 Properties of an Acute 1.Sum of the interior angles equals Measure of each angle is Less than 90. Properties of an Obtuse 1.Sum of the interior angles equals Contains one obtuse angle. An obtuse angle is greater than 90 and less than. 180 Properties of a Right 1.Sum of the interior angles equal Contains one Right angle. A Right angle equals. 90 Properties of an Equiangular interior 1.Sum of the angles equal The measure of each angle equals.
4 Properties of an Acute 1.Sum of the angles Measure of each is 90. Properties of an Obtuse 1.Sum of the angles Contains angle. An angle is greater than and less than. Properties of a Right 1.Sum of the angles equal. 2. Contains angle. A angle equals. Properties of an Equiangular 1.Sum of the angles The measure of each angle equals.
5 FOLD LINE
6 Properties an ISOSCELES 1.Sum of the interior angles equals 180. two 2. The measure of side lengths is. congruent Note: If a triangle is ISOSCELES then the measure of two angles is congruent. Properties a SCALENE 1.Sum of the interior angles equals The measure of each is side length is. different ALL sides are different Lengths Note: If a triangle is SCALENE then the measure of the three angles is congruent. Properties of an EQUILATERAL 1. Sum of the interior angles equals The measure of the three side lengths is congruent. ALL sides are different Lengths Note: If a triangle is EQUILATERAL then the measure of the three angles is congruent.
7 Properties an ISOSCELES 1.Sum of the angles equals The measure of side lengths is. Note: If a triangle is ISOSCELES then the measure of is. Properties a SCALENE 1.Sum of the interior equals. 2. The of each is side length is. ALL sides are Lengths Note: If a triangle is SCALENE then the measure of the three is. Properties of an EQUILATERAL 1. of the interior angles equals The measure of the side lengths is. ALL sides are Lengths Note: If a triangle is EQUILATERAL then the measure of the three is.
8 Extension Activity Have the students DRAW Their own TRIANGLES by the ANGLE MEASURE and SIDE LENGTHS Student Directions: 1. Draw each triangle using the properties on the right side. 2. For all the triangles have students use a protractor to measure each angle. 4. Record angle measure on each triangle. Make sure the sum of the angles equals Mark each angle using arc marks. 6. Mark each side length using tick marks. 7. Use a centimeter ruler to measure then label each side. Mark each side using tick marks.
9 DRAW TRIANGLES by the ANGLE MEASURE and SIDE LENGTHS Directions: 1. Draw each triangle using the properties on the right side. 2. Use a protractor to measure each angle then label. Mark each angle using arc marks. 3. Use a centimeter ruler to measure then label each side. Mark each side using tick marks. Properties of an Isosceles Right 1. Sum of the interior angles equal Contains one right angle and two congruent acute angles each measuring 45. ISOSCELES RIGHT TRIANGLE 3. Two of the side lengths are congruent. Properties of a Scalene Obtuse 1. Sum of the interior angles equal Contains one obtuse angle and two acute angles. SCALENE OBTUSE TRIANGLE 3. All side lengths are different measures. Properties of Scalene Acute 1. Sum of the interior angles equal Contains all acute angles of different degrees. SCALENE ACUTE TRIANGLE 3. All side lengths are different measures. Properties of an Isosceles Acute ISOSCELES ACUTE TRIANGLE 1. Sum of the interior angles equal All angles are acute. 3. Measure of two angles are congruent. 4. Two of the side lengths are congruent.
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