Arihant Expert Team Solutions for Exercise 1: Exercise 1

In rectangle ABCD, diagonal AC and BD Intersect each other at 0. If AB=32 cm and AD = 24 cm, find the length of OD. 

If $ABCD$ be a cyclic quadrilateral, then what will be value of$\angle A$?

In a Rhombus $ABCD, \angle B=60°, AB=14 cm$. Find the diagonal $AC$.

From the centre of a circle, the distance of a chord is $16 cm$. If the radius of the circle be $20 cm$. What will be the length of the chord?

Find the value of $\left(x-y\right)$.

Triangle $PQR$ is such that $PR=7.5 cm$ and triangle $PQR$ is similar to triangle $XYZ$. If $XY=18 cm$ and $YZ=12 cm$, then find the ratio of $PQ:QR$.

The number of sides of a regular polygon whose exterior angles are each $60°$ is:

Two poles of the height $15 m$ and $20 m$ stand vertically upright on a plane ground. If the distance between their feet is $12 m$, find the distance between their tops.