Asked by Bob
Rays DA and DC are perpendicular. Point B lies in the interior of
∠
A
D
C
.
If
m
∠
A
D
B
=
(
3
a
+
10
)
°
and
m
∠
B
D
C
=
13
a
°
,
find a,
m
∠
A
D
B
,
and
m
∠
B
D
C
.
∠
A
D
C
.
If
m
∠
A
D
B
=
(
3
a
+
10
)
°
and
m
∠
B
D
C
=
13
a
°
,
find a,
m
∠
A
D
B
,
and
m
∠
B
D
C
.
Answers
Answered by
oobleck
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