Question

find the area of a quadrilateral PQRS if it's diagonal QS is 7 cm and length of the perpendicular drawn from the vertices P and R on it are 3cm and 4 cm respectively. ​

Answer 1

Answer:

24.5 cm sq......

Step-by-step explanation:

just put the values given in the formula

1/2 into length of diagonal into sum of t he perpendicular drawn on it........!!!!!

hope it helps....!!!!

Answer 2

Given : PQRS is a quadrilateral

QS = 7 cm

PM = 3 cm and RN = 4 cm

To find : AREA

Solution :

here ,

QS = 7 cm

PM = 3 cm and RN = 4 cm

thus ,

area of the quadrilateral

$\frac{1}{2}\times (\text{sum of the perpendiculars}) \times diagonal \\\\\frac{1}{2}\times (PM+RN)\times QS\\\\\frac{1}{2}\times (3+4)\times 7\\\\\frac{1}{2}\times 7\times 7\\\\\frac{1}{2}\times 49\\\\24.5$

hence , The area of the quadrilateral is 24.5 cm²

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