1.

In a right angle triangle the measure of first and second side is 3 and 4 respectively what is the measure of third side? ​

Answer»

Step-by-step EXPLANATION:

AREA of trapezium = 21×(sum of PARALLEL sides)×altitude

Let other parallel SIDE be X cm.

Then, 

21(x+6)×4=28

⇒2(x+6)=28

⇒x=14−6

⇒x=8cm



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