a) Find x + y. b) What type of triangle formed according to angles.
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Answer:
We have,
x+y=[
7
2
0
5
]−−−−−(1)
x−y=[
3
0
0
3
]−−−−−(2)
on adding (1) and (2) to
x+y+x−y=[
7
2
0
5
]+[
3
0
0
3
]
2x=[
10
2
0
8
]
x=
2
1
[
10
2
0
8
]
x=[
5
1
0
4
]
on subtracting (1) and (2)
x+y−x+y=[
7
2
0
5
]−[
3
0
0
3
]
2y=[
4
2
0
2
]
y=
2
1
[
4
2
0
2
]
y=[
2
1
0
1
]
Hence, this is the answer.
Six Types of Triangles
Based on their Sides Based on their Angles
Scalene Triangle Acute Triangle
Isosceles Triangle Obtuse Triangle
Equilateral Triangle Right Triangle
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