Question

q17 needed urgently thanks​

Answer 1

Answer:

17(i) 2(25×20+20×5+5×25)

2(500+100+125)

2(725)

1450cm2

(ii) 1450+2(15×12+12×5+5×15)

1450+2(180+60+75)

1450+2(315)

1450+630

2080cm2

(iii) 5/100×2080

5×208/10

208/2

104cm2

(iv)2080+104 = 2184

cost of 1000cm2 = rs.4

cpst of 1cm 2 = 4/1000

cost of 2184cm2 = 4/1000×2184

4×2184/1000×250

4*2184×250/1000

rs.2184

(v)25×20×5: 15×12×5

20×5:3×12

5×5:3×4

25:12

Answer 2

Q 17.

1. (A) 1450 cm²
2. (B) 2080 cm²
3. (A) 104 cm²
4. ..
5. ..