Solve this:

Solve this: 7812 side is doubled'/ 84 playground door, 2m highand 1 side of at flow squauc metre o' will "c 12 m long and Wide? m laid on What How many metres of How many rectangulartiles 10 by 7 cm will be required 12! 19. will be the cost at 5 tiles'! A 'ane 180 m long and S m wide the cost of the bricks that are required, at the rate Ofe 750 thousand. Olding Areas of Compound Figures Method : Divide the given figure into rectangles or squares and then find the arexs. iS the The floor of a recreation room has the shark shown in the figure 'The figure shows that you can think of the as being formed by two rectangles. The area of the is then found by adding the areas the E two rectangles. The area of rectangle A = 7m x 6m = 42 The smaller rectangle B measures 3 m by 4 m. Its area = 3m x 4m = 12m2. The area of the floor = 42m: + 12m2 54 rn2. EXERCISE 23 (D) continued 21. This shape divided into a square and two rectangles : (a) What is the area of square A ? (b) What is the length of rectangle B 2 What is the area of rectangle B ? (c) What is the breadth of rectangle C ? What is the area of rectangle C ? (d) What is the area of this shape ? A 21 m 6m B 10 m c 23 m

Sar i dont the answers can you explain please
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The perimeter of a rectangle is 2(l+b)
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I must  answer all questions or not
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Which question
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