Advertisements
Advertisements
प्रश्न
Can all the angles of a quadrilateral be acute angles? Give reason for your answer.
Advertisements
उत्तर
We know that, sum of all angles of a quadrilateral = 360°
So atleast one angle should be obtuse angle.
Hence, all the four angles of a quadrilateral cannot be acute angles.
APPEARS IN
संबंधित प्रश्न
Find x in the following figures.
In a quadrilateral ABCD, CO and DO are the bisectors of `∠`C and ∠D respectively. Prove that
`∠`COD = `1/2` (`∠`A+ `∠`B).
In Fig. below, ABCD is a parallelogram in which ∠DAB = 75° and ∠DBC = 60°. Compute
∠CDB and ∠ADB.
PQRS is a square such that PR and SQ intersect at O. State the measure of ∠POQ.
In a quadrilateral ABCD, bisectors of angles A and B intersect at O such that ∠AOB = 75°, then write the value of ∠C + ∠D.
Diagonals necessarily bisect opposite angles in a
The figure formed by joining the mid-points of the adjacent sides of a square is a
The sum of all ______ of a quadrilateral is 360°.
Sum of all the angles of a quadrilateral is 180°.
In a quadrilateral PQRS, ∠P = 50°, ∠Q = 50°, ∠R = 60°. Find ∠S. Is this quadrilateral convex or concave?
