The larger of two supplementary angles is 28° more than the smaller one. The smaller angle (in degree) is:
Given:
The two angles are supplementary, meaning their sum is 180°
The larger angle is 28° more than the smaller one.
Solution:
Let the smaller angle be x
The larger angle is x + 28
Since the angles are supplementary, their sum is 180°:
x + (x + 28) = 180:
2x + 28 = 180
2x = 152
x = 76
Thus, the smaller angle is 76∘
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90 Mins English English100 Questions100 Marks90 Mins English English40 Questions30 Marks25 Mins EnglishIn the following table two columns are given. Match column A with column B.
Column A | Column B |
[a] Acute angle | [i] 90° |
[b] Obtuse angle | [ii] 240° |
[c] Right angle | [iii] 30° |
[d] Reflex angle | [iv] 120° |
How many lines of symmetry does the figure have?
Which of the following statements is false?
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