In Exercises 18-23, determine whether the angle between
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Linear Algebra: A Modern Introduction
- In Exercises 9 and 10, classify the triangle not shown by considering the measures of its angles. a In XYZ, mX=123. b In RST, mR=45, mS=65 and mT=70.arrow_forwardIn Exercises 9 and 10, classify the triangle not shown by considering the measures of its angles. a All angles of ABC measure 60. b In DEF, mD=40 and mE=50.arrow_forwardIn Exercise 27 and 28, use the given angle R and the line segment of length b. Construct the right triangle in which acute angle R has a side one leg of the triangle of length b. Exercise 27, 28arrow_forward
- In Exercises 7 and 8, classify the trianglenot shown by considering the lengths of its sides a All sides of ABC are of the same length. b In DEF, DE=6, EF=6, and DF=8.arrow_forwardIn Exercises 9 and 10, determine the height of gage blocks required to set the angles with a 5" sine bar. a. 1318' b. 3912' c. 4450' d. 817' e. 1545'arrow_forwardComplete an analytic proof of the following theorem: In a triangle that has sides of lengths a,b, and c, if c2=a2+b2, then the triangle is a right triangle. Exercises 34. 35arrow_forward
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