3 calculate the third angle of the following
triangles
() <A= 90° <C=30°
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Answer-60 degree
Explanation-
We know that,
The sum of interior angles of triangle is 180 degree
Let the third angle be “x”
Therefore,
90+30+x=180
120+x=180
x=180-120
x=60 degree
Explanation-
We know that,
The sum of interior angles of triangle is 180 degree
Let the third angle be “x”
Therefore,
90+30+x=180
120+x=180
x=180-120
x=60 degree
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