The answer is 38cm.
The formula used is perimeter of rectangle so in this case it will be 2(PQ+QR).
So,
=2×(12+7)
=2×19
=38cm
Just like that? Any question, inbox. :p
Seventeen multiply by four minus two equals 66 or 16.5 *4
plz help me if it's hard to see I'll type it 17) 37, 41, 45, 49, ... 18) -35, -235, -435, -635,... 19) 34, 54, 74, 94, ... 20) 2
Serggg [28]
17. 4
18. -220
19. 20
20. The answer for 20. is times 6
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