Question
The measure of 
is ______________.
- 550
- 100
- 450
- 900
Hint:
internal angles of a triangle = 180
The correct answer is: 450
45
In triangle XYZ, angle Z = 90 . angle X = 45 .
We know that sum of internal angles of a triangle = 180
Hence, angle X+Y+Z = 180
45 + Y + 90 = 180
Angle Y = 45 degrees.
Sum of internal angles of a polygon =( n-2) x 180
for a triangle, n = 3
= (3-1) x 180 = 180 degrees.
Related Questions to study
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The sum of the interior angles of a parallelogram is ______.
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The sum of the interior angles of a parallelogram is ______.
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6-hexa
7-septa
8-octa
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7-septa
8-octa
9-nona
10-deca
and so on.
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Find the measure of x.
Bisection means to divide into 2 equal parts in the 1: 1 ratio. diagonals of a parallelogram bisect each other but not at right angles. a square is a special case of a parallelogram where the diagonals intersect at 90 degrees.
A parallelogram is a 2D polygon which has 2 sets of equal and parallel sides which are opposite to each other.
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Find the measure of angle Q.
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Find the measure of angle Q.
A parallelogram is a 2D polygon which has 2 sets of equal and parallel sides which are opposite to each other.
What is the measure of side AB?
A parallelogram is a 2D polygon which has 2 sets of equal and parallel sides which are opposite to each other.
What is the measure of side AB?
A parallelogram is a 2D polygon which has 2 sets of equal and parallel sides which are opposite to each other.
The sum of angles of the given figure is _____.
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Also,
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Also,
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Find the sum of measures of interior angles of a nonagon.
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What is the measure of A?
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What is the measure of A?
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