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Z04 Math
Question 19
2021 April(Z04) Math Question 19
Angles
- Collinear Points & Triangles
Pythagorean Theorem and Special Right Triangles
Choice A
S
t
r
a
i
g
h
t
l
i
n
e
=
{
(
8
+
12
)
2
+
(
16
−
5
)
2
}
Straight \; line=\sqrt\{(8+12)^2 +(16-5)^2\}
St
r
ai
g
h
t
l
in
e
=
{
(
8
+
12
)
2
+
(
16
−
5
)
2
}
=
{
(
20
)
2
+
(
11
)
2
}
=\sqrt\{(20)^2+(11)^2\}
=
{
(
20
)
2
+
(
11
)
2
}
=
23
(
y
a
r
d
)
=23 \quad(yard)
=
23
(
y
a
r
d
)
L
o
n
g
w
a
y
=
(
8
+
6
+
12
+
5
)
=
31
Long \; way=(8+6+12+5)=31
L
o
n
g
w
a
y
=
(
8
+
6
+
12
+
5
)
=
31
∴
L
o
n
g
w
a
y
−
S
t
r
a
i
g
h
t
l
i
n
e
=
31
−
23
=
8
(
y
a
r
d
s
)
\therefore Long \; way-Straight \; line=31-23=8 \quad(yards)
∴
L
o
n
g
w
a
y
−
St
r
ai
g
h
t
l
in
e
=
31
−
23
=
8
(
y
a
r
d
s
)
Skills you are tested for:
Pythagorean Theorem and Special Right Triangles
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