Question

answer only the circled questions with explainion​

Answer 1

1.20+12+10+14+x=67

=56+x=65

=65-56=10

x=10

2. ans 4.5

3.square has 4 sides so,

21.6÷4=5.4

5.perimeter of rectangle =2(l+b)

101=2×l+12.5

101=24+b

b=101÷24