Page 96 - Math Course 1 (Book 2)
P. 96
Relationships in Angles
Let’s Begin Your Turn!
Perpendicular Lines
Interpret Figures
C
Examples B
5x o
4x o F
B D
E
Algebra ↔ ↔
Find x is so that AD and CE are perpendicular
A. Determine whether the following statement can A. x = 5
be justif ed from the f gure below. Explain. B. x = 10
m∠VYT = 90 C. x = 15
D. x = 20
The diagram is marked to show that VY ⊥ XT.
From the def nition of perpendicular, perpendicular Answer
lines intersect to form congruent adjacent angles.
↔ ↔ Perpendicular Lines
Yes; VY and TX are
Answer
perpendicular.
B. Determine whether the following statement can
be justif ed from the f gure below. Explain.
∠TYW and ∠TYU are supplementary.
Yes, they form a linear pair of
Answer
angles.
C. Determine whether the following statement can
be justif ed from the f gure below. Explain.
∠VYW and ∠TYS are adjacent angles.
A. Determine whether the statement m∠XAY = 90
No, they do not share a can be assumed from the f gure.
Answer
common side.
A. yes
B. no
Answer
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