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1. Classify the triangle by its angle measure. obtuse triangle right triangle equlangular triangle acute triangle 2. Classify the triangle by its angle measure. obtuse triangle equlangular triangle 86o 64o right triangle acute triangle 3. Classify the triangle by its side length. isosceles triangle equilateral triangle scalene triangle right triangle 4. Classify the triangle by its side length. equilateral triangle scalene triangle isosceles triangle right triangle 5. Find the measure of ∡A. m∡A = B o 25o C 127o x A 6. Find the measure of ∡A. m∡A = B 25o o x A C 4.1 7. Find the measure of ∡A. m∡A = A o x 51o B C 8. Given ∆ABC, find the value of x andthe length of sideAC. x = AC = A 2x + 7 4x - 3 B 3x - 5 C m∡A= A C 9. Find the measure of ∡A & ∡B. degrees D 24o m∡B= 76o B E degrees 10. Find the measure ∡A & the value of x. m∡A= x = B degrees C A (7x - 3)o 11. Find the measure ∡B, the value of x, and the length of CA. m∡B= CA = x = (½x + 6) B (2x) C (2x) A 12. Given ∆ABC, find the value of x and the measure of angle B. m∡B = x = A (3x + 4)o degrees B (6x - 20)o 2x - 3 C 13. Find the missing angle measures for ∡1 & ∡2. m∡1 = m∡2 = 37o o o 1 77o 2 14. Find the measure ∡B, the value of x, and the length of BA. 4.8 m∡B= BA = x = o (3x + 3) B C (5x -17) A A 15. Find the measure of angle E. B m∡E = C degrees D E 16. Given the two triangles find the measure of ∡B. 48o m∡B = degrees 17. The perimeter of the equilateral ∆FGH = 27 in. Find the value of x. x = 2x + 1 |