Question

A rectangular mirror is 20cm long and 15cm wide a wooden frame has to fix around it Find the total length of the frame​

Answer 1

Answer:

Here total length of the frame and perimeter of the frame is the same

So,

Length = 20cm

Breath = 15cm

Preimeater of the rectangular = 2[l+b]

=2(20+15)

=2*35

=70 cm

So, answer is 70 cm.

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Answer 2

Answer:

Step-by-step explanation:

Now,

867 and 255

867>255 so we will divide 867 by 225

867=255×3+102

Now dividing 255 by 102

255=102×2+51

Now dividing 102 by 51

102=51×2+0

So, 51 will by HCF.