Home
Class 9
MATHS
Prove that if one of the angles of a par...

Prove that if one of the angles of a parallelogram be a right -angle , then it should be a rectangle.

Answer

Step by step text solution for Prove that if one of the angles of a parallelogram be a right -angle , then it should be a rectangle. by MATHS experts to help you in doubts & scoring excellent marks in Class 9 exams.

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • PROPERTIES OF PARALLELOGRAM

    CALCUTTA BOOK HOUSE|Exercise EXERCISE - 1 (Short -answer type questions )|10 Videos

  • PROBABILITY

    CALCUTTA BOOK HOUSE|Exercise EXERCISE - 2|16 Videos

  • REAL NUMBERS

    CALCUTTA BOOK HOUSE|Exercise Exercise 1.4 ( Long answer)|18 Videos

Similar Questions

Explore conceptually related problems

Prove that if the lengths of the two diagonals of a parallelogram be equal , then the parallelogram is a rectangle.

Find the angles of the parallelogram ABCD , if angleC : angleD = 4 : 5

Knowledge Check

  • The bisectors of the angles of parallelogram make a figure which is a

    A
    Rectangle
    B
    Square
    C
    Parallelogram
    D
    none of these

  • One angle of a parallelogram is 80^@ , the values of the other angles will be

    A
    `120^@, 60^@, 120^@`
    B
    `100^@, 80^@, 100^@`
    C
    `150^@, 30^@, 150^@`
    D
    `75^@, 105^@, 75^@`

  • The other angles of the parallelogram ABCD, if one of its angles is 60^(@) , are

    A
    `100^(@), 60^(@),140^(@)`
    B
    `120^(@), 60^(@),120^(@)`
    C
    `80^(@), 60^(@),160^(@)`
    D
    `110^(@), 60^(@),130^(@)`

    • Similar Questions

    Explore conceptually related problems

    write the ratio of the angles of a right angled isosceles triangle.

    Prove that a cyclic parallelogram must be a rectangle.

    Fill in the gaps. If one angle of a parallelogram is 90^@ , then it will be _____.

    If a parallelogram is cyclic, then it is a rectangle. Justify.

    Find the measure of all the angles of a parallelogram, if one angle is 24^(@) less than the twice of the smallest angle.

    Home
    Profile