Maths-
General
Easy

Question

ABCD is a Parallelogram DL perpendicular to the power of r end exponent AB and DM perpendicular to the power of r end exponent BC If AB = 18 cm, BC=12 cm and DM = 9 cm then find DL .

  1. 6cm    
  2. 7cm    
  3. 5cm    
  4. 8cm    

hintHint:

Compare the corresponding bases and heights using the formula of the area of a parallelogram to get the answer.

The correct answer is: 6cm


    G i v e n comma
D L perpendicular to the power of r A B
D M perpendicular to the power of r B C
A B equals 18 c m
B C equals 12 c m
D M equals c m

T o space f i n d comma
D L

W e space k n o w space t h a t comma
A r e a space o f space a space p a r a l l e log r a m equals b a s e cross times h e i g h t
A r e a space equals space A B cross times D L equals B C cross times D M
therefore 18 cross times D L equals 12 cross times 9
D L equals fraction numerator 12 cross times 9 over denominator 18 end fraction
therefore D L equals 6 c m

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