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# Geometry || 28.02.2021

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Question 1

The perimeter of a square is equal to that of a circle. What will be the ratio of areas of square and circle?

Question 2

The value of x and y in the figure are measure of angles, then x + y is equal to Question 3

The exterior angle of a cyclic quadrilateral is 72 °. What will be the measure of internal angle opposite to it?

Question 4

The point P(a,b) is first reflected in origin to P1 and P1 is reflected in y-axis to (6,-5).
The coordinates of point P are

Question 5

In a rhombus _____.

Question 6

∆ABC is similar to ∆DEF. Length of AB is 18 cm and length of the corresponding side DE is 10 cm. What is the ratio of Perimeter of ∆ABC : Perimeter of ∆DEF ?

Question 7

ΔLMN is right angled at M. If m N = 45o. What is the length (in cm) of MN, if NL = 6√2 cm?

Question 8

What is the measure of an interior angle of a regular Octagon?

Question 9

In triangle ABC, a line is drawn from the vertex A to a point D on BC. If BC = 9 cm and DC = 3 cm, then what is the ratio of the areas of triangle ABD and triangle ADC respectively?

Question 10

A regular octagon is formed after cutting the corners of a square whose side is 4 cm. find the area of octagon.
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