What is the size of angle p ?
1 answer:
Answer:
Since
△
P
Q
R
is a right-angled triangle, we can use the cosine or sine or tan rule to find the
∠
P
(1) Sine
sin
∠
P
=
opposite
hypotenuse
=
12
13
∠
P
=
sin
−
1
(
12
13
)
=
67.38
(2) Cosine
cos
∠
P
=
adjacent
hypotenuse
=
5
13
∠
P
=
cos
−
1
(
5
13
)
=
67.38
(3) tan
tan
∠
P
=
opposite
adjacent
=
12
5
∠
P
=
tan
−
1
(
12
5
)
=
67.38
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Answer:
b
Step-by-step explanation:
The population increases by a factor 1.0167 every year so the require figure is:
103 * 1 . 0167^5 = 112 million
P = 10 + 14 + 8 + 14 + 10 + 24 + 28 + 24
P = 132 m
Answer
Perimeter = 132 m
