Describe two differences between xylem and phloem.
What happens if water is lost from the leaves faster that it is taken up the roots?
Does all the water which rises up a plant escape through the leaves?
A lighthouse is 9.6 nautical miles from a ship which bears 156 degrees from the lighthouse.How far is the ship east of the lighthouse?Give answer correct to one-tenth of a nautical mile.
The vertical angle of a cone is 110 degree and the diametre of its base is 186mm.What is its height?
A chord subtends an angle of 68 degree at the centre of a circle of radius 200 mm.Find the length of the chord.
The angle between two tangents from a point to a circle is 82 degree.What is the length of one of these tangents if the radius of the circle is 80mm?
A rectangle has sides 170mm and 130mm.What is the angle between the diagonals?
The diagonals of a rhombus are 320mm and 240mm in length.Find the angles of the rhombus.
If cos A=3/5 and A is acute,find sin A,tan A,and sec A.
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