Question
Which of the following is essential to regulate the
heart beat?Solution
Potassium(K) plays a role in every heart beat. A hundred thousand times a day, it helps trigger the heart to squeeze blood through the body. It also helps your muscles to move, nerves to work and kidneys to filter blood. Phosphorus is good for the development of bones whereas iron deficiency leads to anaemia.
A rectangle with a diagonal of length 28m is inscribed in a circle. Find the area of a circle?
In the given figure, ABC is a right angled triangle. ∠ABC = 90 0and ∠ACB = 60 0. If the radius of the smaller circle is 2 cm...
If I is the incentre of ΔABC , if ∠BIC = 105.50  , then what is the measure of ∠BAC?
What will be inradius of an equilateral triangle of side 2 cm?
A cuboid of size 50 cm × 40 cm × 30 cm is cut into 8 identical parts by 3 cuts. What is the total surface area (in cm2) of all the 8 parts?...
The lengths of three medians in a triangles are 9 cm, 12 cm, 15 cm. What is the area of that traingle (in cm 2 )?
The length of a tangent from a point A at a distance 5 cms. from the centre of the circle is 4 cms. Radius of the circle is
If the area of ∆ ABC is 33 cm2 & G is the centroid of ∆ ABC.then the area of the ∆ BGC?
If the points P(2, 3), Q(5, a) and R(6, 7) are co-linear, then find the value of 'a'.
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