Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Two lines intersect at point
Q
Q
Q
, forming four angles
a
,
b
,
c
a, b, c
a
,
b
,
c
and
d
d
d
in order around the point. Angle
a
a
a
measures
(
2
p
+
25
)
∘
(2p + 25)^\circ
(
2
p
+
25
)
∘
and its adjacent angle
b
b
b
measures
(
4
p
−
15
)
∘
(4p - 15)^\circ
(
4
p
−
15
)
∘
. a. (i) Calculate the value of
p
p
p
. b. (ii) Find the measure of angle
c
c
c
.
Browse the problem library