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What is the area of PQR ?
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Author:  Bunuel [ 25 May 2018, 03:25 ]
Post subject:  What is the area of PQR ?



What is the area of PQR ?


A. 56

B. 35

C. 28

D. 14

E. 7

Attachment:
plan.jpg
plan.jpg [ 25.87 KiB | Viewed 1870 times ]

Author:  NandishSS [ 25 May 2018, 03:43 ]
Post subject:  Re: What is the area of PQR ?

Bunuel wrote:


What is the area of PQR ?


A. 56

B. 35

C. 28

D. 14

E. 7

Attachment:
plan.jpg


Area Of Triangle is (1/2)Base*Height

Here base is PQ distance is 8+2=10

Height is OR = 7

Area = (1/2)*7*10=35

Hence B

Author:  sumitkrocks [ 25 May 2018, 04:07 ]
Post subject:  Re: What is the area of PQR ?

Area = 1/2 * length of side * perpendicular distance from the opposite vertex on that side

Side = 8-(-2)=10
Height=7
Area =1/2*7*10=35
Answer B

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