Question

5. The given figure shows a rectangle PQRS and a triangle RST
Find the:
(i) area of the rectangle PQRS.
(ii) area of the triangle RST.
(iii) area of shaded portion of the figure.
(iv) ratio between the areas of the rectangle PQRS and the
triangle RST​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

(i) Area of rectangle = l×b

= PS ×PQ

= 12 × 15 = 180 cm²

(i) Area of triangle = 1/2 b×h

= 1/2× 15 × 8

=60 cm²

Step-by-step explanation:

(iii) Area of shaded portion = Area of rectangle - Area of

triangle

= 180 - 60 = 120 cm²

(iv)Ratio :- Area of rectangle/Area of triangle

= 180/60 = 3/1

Ratio = 3 : 1

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