Question

please write it step by step

Answer 1

Step-by-step explanation:

area of rectangle =l×b

12×7=84

Answer 2

Step-by-step explanation:

1)Area of rectangle= Length x breadth

= 12 cm x 7 cm

Area = 84cm^2

2)Area of triangle = 1/2 x (Base x height)

= 1/2 x (12 cm x 7 cm)

= 1/2x (84 cm)

Area= 42 cm^2

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