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how do i get full marks? Have to write is sept by step that's what I did but only got 2 marks.

How Do I Get Full Marks Have To Write Is Sept By Step Thats What I Did But Only Got 2 Marks class=

Sagot :

lucic

Answer:

x = 5 cm

Area = 56 cm²

Step-by-step explanation:

The perimeter of the triangle is given as : 21 cm

The two sides given are : 6 cm and 10 cm. The other side has a length of ;

21 - {6+10} = 21 - 16 = 5 cm

This means the value of x is 5 cm

The rectangle will now have its measurements as ;

Length = 7 cm

Width = x + 3 = 5+3 = 8 cm

The area of the rectangle will be :

A = l * w = 7 * 8 = 56 cm

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