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What are the sources of synthetic fibre?
Synthetic fibres are made by using plant materials and minerals.
For Example, Viscose is manufactured from the cellulose of pine trees or petrochemicals. Acrylic, nylon and polyester are made from oil and coal.- Related Articles
- If \( P A \) and \( P B \) are tangents from an outside point \( P \). such that \( P A=10 \mathrm{~cm} \) and \( \angle A P B=60^{\circ} \). Find the length of chord \( A B \).
- From a point \( P \), two tangents \( P A \) and \( P B \) are drawn to a circle with centre \( O \). If \( O P= \) diameter of the circle, show that \( \Delta A P B \) is equilateral.
- What is Synthetic Fibre?
- Find the value of:(a) \( 4.9 \p 0.07 \)(b) \( 26.4 \p 2.4 \)
- From an external point \( P \), tangents \( P A=P B \) are drawn to a circle with centre \( O \). If \( \angle P A B=50^{\circ} \), then find \( \angle A O B \).
- Two tangent segments \( P A \) and \( P B \) are drawn to a circle with centre \( O \) such that \( \angle A P B=120^{\circ} . \) Prove that \( O P=2 A P \).
- In the figure, there are two concentric circles with centre \( O \) of radii \( 5 \mathrm{~cm} \) and \( 3 \mathrm{~cm} \). From an external point \( P \), tangents \( P A \) and \( P B \) are drawn to these circles. If \( A P=12 \mathrm{~cm} \), find the length of \( B P \)."\n
- Explain Synthetic Fibre.
- What is mean by synthetic fibre?
- The points $A( 4,\ 7) ,\ B( p,\ 3)$ and $C( 7,\ 3)$ are the vertices of a right triangle, right-angled at B, Find the values of $p$.
- From an external point \( P \), tangents \( P A \) and \( P B \) are drawn to a circle with centre \( O \). At one point \( E \) on the circle tangent is drawn, which intersects \( P A \) and \( P B \) at \( C \) and \( D \) respectively. If \( P A=14 \mathrm{~cm} \), find the perimeter of \( \triangle P C D \).
- A point $A( 0,\ 2)$ is equidistant from the points $B( 3,\ p)$ and $C( p,\ 5)$, then find the value of P.
- If $P( 2,p)$ is the mid-point of the line segment joining the points $A( 6,-5)$ and $B( -2,11)$. Find the value of $p$.
- Prove that the points $P( a,\ b+c),\ Q( b,\ c+a)$ and $R( c,\ a+b)$ are Collinear.
- Pick the synthetic fibre out of the following.CottonNylonJuteWool

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