Question

answer the following questions ​

Answer 1

Answer:

In ∆ABC , B= 90°, A= 67.5° and AB= 0.86m. Find BC.

Answer 2

Answer:

1) Ka answer C Hoga

2)

3)Synthetic fibres are manufactured using plant materials and minerals: viscose comes from pine trees or petrochemicals, while acrylic, nylon and polyestercome from oil and coal. Viscose fibre is obtainedfrom the cellulose; versatility allows imitating materials such as cotton or silk .

4) no

because non biodegradable clothes are manufactured synthetic textiles including polyester, spandex, nylon, and rayon. it may takes between 20 to 200 years to fully biodegradable these textiles