Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

ICSE Class 9 Answered

One side of a ||gm is 50 cm. The diagonals are 68 cm and 48 cm. Find the area of the ||gm.
Asked by Topperlearning User | 29 Aug, 2017, 12:14: PM
answered-by-expert Expert Answer

begin mathsize 12px style Area space of space parallelogram space ABCD equals 4 cross times area space of space increment AOB In space increment AOB comma AO equals 1 half AC equals 1 half cross times 68 equals 34 space cm BO equals 1 half BD equals 1 half cross times 48 equals 24 space cm straight S equals fraction numerator straight a plus straight b plus straight c over denominator 2 end fraction equals fraction numerator 34 plus 24 plus 50 over denominator 2 end fraction equals 54 space cm Area space of space increment AOB equals square root of straight S open parentheses straight S minus straight a close parentheses open parentheses straight S minus straight b close parentheses open parentheses straight S minus straight c close parentheses end root equals square root of 54 open parentheses 54 minus 34 close parentheses open parentheses 54 minus 24 close parentheses open parentheses 54 minus 50 close parentheses end root equals square root of 129600 equals 360 space sq. space cm area space of space parallelogram equals 4 cross times 360 equals 1440 space sq. space cm end style

Answered by | 29 Aug, 2017, 02:14: PM

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
ICSE 9 - Maths
A rectangular plot is 110m long and 70m board it has a gravel path 3 m wide all around ir . find the area of the path and the cost of levelling it at the rate of ₹3.50 per sq.m
Asked by pornimashambharkar80912 | 15 Jan, 2023, 08:50: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
Find the area of trapezium
question image
Asked by krswastik05 | 14 Aug, 2020, 10:56: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
The perimeter of rhombus is 46 CM. if it's height is 8cm, find its area.
Asked by Manasvi | 24 Nov, 2019, 03:54: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
PQRS is paralellogram. MN is perpendicular to QR. If area of trapezium PQRM=2/3*area of PQRS and QR=18cm, find PM. Please send the answer ASAP!  
Asked by akkikumar05 | 21 Oct, 2019, 04:56: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
ABCD is a parallelogram in which E,F,G and H are the points on AB,BC,CD and DA respectively such that AE=BF=CG=DH.Prove that EFCH is a parallelogram.
Asked by rkarim957 | 15 Sep, 2019, 12:47: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
Two adjacent sides of a parallelogram are 15cm and 10cm.If the distance between the longer sides is 8cm,find the area of parallelogram.Also find the distance between the shorter sides.
Asked by laxmi.agarwal055 | 20 Feb, 2018, 11:00: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
ABCD is a parallelogram with sides AB=12cm,BC=10cm and diagonal AC=16cm.Find the area of the parallelogram.Also find the distance between its shorter sides.
Asked by laxmi.agarwal055 | 20 Feb, 2018, 10:57: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
How many tiles each of area 400 sq.cm will be needed to pave a foothpath which is 2m wide and surrounds a grass plot 25m long and 13m wide? (Pls show the calculations also)
Asked by anujbajpai44 | 19 Feb, 2018, 03:39: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
Plz solve this question 
question image
Asked by Rayeesa | 03 Feb, 2018, 07:44: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
find the area of quadrilateral one whose diagonals is 30cm long and the perpendicular from the other two vertices are 19 cm and 11 cm respectively
Asked by Seema | 09 Jan, 2018, 10:34: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×