If are complementary and solve for X and find the measures of Angles A and B. If are vertical angles and for X and find the measure of Angles C. Define: Perpendicular Lines: _________________________________________________________________ __________________________________________________________________________________ How are perpendicular lines named? ____________________________________________________ What statements can you make about perpendicular lines? ___________________________________ ____________________________________________________________________________________ Example: Find so that and are perpendicular x = 7 If , then = 90. m∠DZP x ⊥ + = Divide m∠DZQ m∠QZP m∠DZP Sum of = whole each side by 12. (9x + 5) + (3x + 1) = 90 Substitution 12x + 6 = 90 Combine like terms. 12x = 84 Subtract 6 from each side. Exercises Find 2. m∠MSN. Find the value of and so that x y ⊥.
If are complementary and solve for X and find the measures of Angles A and B. If are vertical angles and for X and find the measure of Angles C. Define: Perpendicular Lines: _________________________________________________________________ __________________________________________________________________________________ How are perpendicular lines named? ____________________________________________________ What statements can you make about perpendicular lines? ___________________________________ ____________________________________________________________________________________ Example: Find x so that and are perpendicular If ⊥ , then m∠DZP = 90. m∠DZQ + m∠QZP = m∠DZP Sum of = whole (9x + 5) + (3x + 1) = 90 Substitution 12x + 6 = 90 Combine like terms. 12x = 84 Subtract 6 from each side. x = 7 Divide each side by 12. Exercises Find the value of x and y so that ⊥. 2. Find m∠MSN.
Chapter%201%20Lesson%205%20Guided%20Notes.docx