In the quadrilateral PQRS d=7 cm, h1=4.2 cm and
h2=2.1 cm. Find the area	Choose the correct choice from the following answers:
A) 21
B) 22
C) 23
D) 24
E) 25
area of quad.=1/2*any diagonal*(sum of 2 perpendiculars which is drawn on that diagona)   so 1/2*7*(4.2+2.1)= 
<gadget id="calculator">1/2*7*(4.2+2.1)</gadget>
<output>22.05</output>
22.05   ANSWER:22
<result>B</result>
In the quadrilateral PQRS d=7 cm, h1=4.2 cm and
h2=2.1 cm. Find the area