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Rectilinear Figures MATHEMATICS - Rectilinear Figures

ICSE - STD 9 - MATHEMATICS (ICSE - English Medium). 49 questions in this chapter.

Question types

Rectilinear Figures question types

49 questions across 4 question groups — pick any mix to generate a MATHEMATICS paper with step-by-step answer keys.

49
Questions
4
Question groups
5
Question types
Sample Questions

Rectilinear Figures questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 6[3 marks sum]3 Marks
The angles of a pentagon are $100^\circ , 96^\circ , 74^\circ , 2x^\circ $ and $3x^\circ .$ Find the measures of the two angles $2x^\circ $ and $3x^\circ .$
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Q 10[3 marks sum]3 Marks
In a polygon, there are $3$ right angles and the remaining angles are equal to $165^\circ .$ Find the number of sides in the polygon.
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Q 14[4 marks sum]4 Marks
Each interior angle of a regular polygon is $162^\circ.$ Another regular polygon has number of sides double the first polygon. Find each interior angle of the second polygon.
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Q 15[4 marks sum]4 Marks
Each exterior angle of a regular polygon is $\frac{1}{ P }$ times of its interior angle. Find the number of sides in the polygon.
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Q 17[5 marks sum]5 Marks
In a hexagon $\text{JKLMNO}$, side $JK \| ON$ and $\angle K : \angle L : \angle M : \angle N = 6 : 5 : 4 : 3$. Find the angle $\angle K$ and $\angle M.$
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Q 18[5 marks sum]5 Marks
In a pentagon $\text{PQRST}, \angle P = 100^\circ , \angle Q = 120^\circ $ and $\angle S = \angle T.$ The sides $PQ$ and $SR,$ when produced meet at right angle. Find $\angle QRS$ and $\angle PTS.$
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Q 19[5 marks sum]5 Marks
The difference between an exterior angle of $(n - 1)$ sided regular polygon and an exterior angle of $(n + 2)$ sided regular polygon is $6^\circ.$ Find the value of $n.$
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Q 20[5 marks sum]5 Marks
The ratio between the number of sides of two regular polygon is $3 : 4$ and the ratio between their interior angles is $2 : 3$. Find the number of sides of each polygon.
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