Ηλεκτρονική - Συσκευές

10 Οκτ 2013 (πριν από 4 χρόνια και 7 μήνες)

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Name ________________________________________

Notes 3.3

Warmup!

Name 3 segments that satisfy the condition.

1)

GF || _______ ________ ________

2)

___
___
_

________ _________

3)

Lines skew with BF ________ ________ ___
______

NEW:

1)

ALL RIGHT ANGLES ARE CONGRUENT

2)

IF 2 LINES ARE PERPENDICULAR, THEN THEY INTERSECT TO
FORM 4 RIGHT ANGLES

3)

IF 2 LINES INTERSECT TO FORM ADJACENT CONGRUENT
ANGLES, THEN THE LINES ARE PERPENDICULAR

4)

IF 2 SIDES OF ADJACENT ACUTE ANGLES ARE
PERPENDICULAR, THEN THE ANGLES ARE COMPLEMENARY.

Examples:

1)

In the diagram, a

b. Decide whether enough information is given to conclude
that the statement is true. Explain your reas
oning.

a)

<1
<2

b)

<2
<6

c)

<7
<8

2)

congruent angles?

3)

In the diagram, HJ

HL and

m<LHK = 42. Find the value of z.

4)

Determine whether enough information is given to conclude that the
statement is true. Explain.

a)

<1
<
3

b)

<
4

<
5

c)

<4 and <5 are complimentary

d)

<2
<3

3.2 Worksheet

Write the theorem that justifies the statement about the diagram.

1)

<5 and <6 are right angles.

2) j

k

3)

m<9 + m<10 = 90

4)

Write an equation to find the value of x.

Th
en solve.

Determine whether there is enough information to conclude that the statement is true

and
explain why
.

5)

<2
<5

6)

<
6
<7

7)

<1
<5

8)

<
1

<
3

What

can you conclude about <1 and <2 using the given information?

9)

10
)
h

k

11)

Students were asked to set up an equation to find the value of x, given that v

w.
De
scribe and correct any errors.

Find the value of x, given that s

t.

12)

1
3
)

1
4
)

1
5
)

1
6
)

1
7
) In the diagram shown, <1 and <3 are congruent and complementary. Can
you conclude
that BA

BC? Explain.

18) What did you learn today?