University:
California State University, Northridge
Course:
MATH 370 | Foundations of Geometry
Academic year:

2022
Views:

152

Pages:

3
Author:

do3ran7ut

Name: 12 Date: Quiz: Classifying & Solving for Sides/Angles in Triangles For Questions 1 – 4, Classify each triangle by its angles and sides. 1) 2) 3) 4) 5) If Q(–2, –1), R(1, 5) and S(–8, –4), classify QRS by its sides. Show all work to justify your answer. QR = RS = QS = Classify: For Questions 6 – 7, find all missing angle measures. 6) 7) m∠1 = m∠1 = m∠2 = m∠3 = m∠4 = For Questions 8 – 9, Solve for x. m∠2 = m∠3 = m∠4 = m∠5 = 39 11 4 12 93 m∠6 = m∠7 = 8) 9) x= x= For Questions 10 – 14, Solve for x and the missing measures. 10) ABC is Equilateral 11) RST is Isosceles A x= B C 12) x= m∠A = m∠X = m∠B = m∠Y = m∠C = m∠Z = In PQR, m∠P = 9x – 16, m∠Q = 3x+ 11 and m∠R = 7x – 5. x= m∠P = m∠Q = m∠R = 13) In RST, ∠ S ≅ ∠ T , RS = 9x – 13, ST = 12x +1 and RT = 4x +2 x= RS = ST = RT = 14) In ACD, if AC ≅ AD , m∠A = 3x – 4, m∠C = 5x + 1 and m∠D = 7x – 27 x= m∠A = m∠C = m∠D =

Classifying and Solving for SidesAngles in Triangles

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