Question

for what value of x two angles (x+7)° and (2x+11)°are complementary .find the measure of
each angle.​

Answer 1

Step-by-step explanation:

Let breadth of the rectangle be 'b' cm.

So length of the rectangle will be 'b+2' cm.

Now

Perimeter =48

2(l+b)=48

2(b+2+b)=48

2b+2=24

2b=22

b=11 cm

l=b+2=13 cm

Then,

Area of the rectangle =lb

                                     =13×11

                                     =143 cm2