Question
Which one of the following is volume of water necessary
to cover an area of 1.0 ha to a depth of 5 cm?Solution
Volume = Area x Depth Area = 1.0 ha = 10,000 m² (since 1 ha = 10,000 m²) Depth = 0.05 meters Volume = 10,000 m² x 0.05 m = 500 m³
The radius of a sphere is 12cm. The surface of the sphere is what percent of its volume
If O is circumcentre of acute angled triangle ABC, if ∠ OBC = 180 then ∠BAC = ?
In the figure given below, AC = 16 cm and BF = 5 cm. If AE:CE = 5:3, then find the perimeter of ΔABC.
- Two chords PQ and RS intersect each other at point ‘A’ inside the circle. If PQ = 5 cm, RA = 3.6 cm and AQ = 1.8 cm, find the length of RS.
In a triangle PQR, ST is drawn parallel to side QR. If PS = 8 cm, QS = 5 cm and PT = 14 cm, then find PR.
If O is circumcentre of acute angled triangle ABC, if ∠ BAC = 40 ˚ then ∠BOC = ?
A triangle ABC is inscribed in a circle with radius 10 cm. The sides of the triangle are AB = 12 cm, BC = 16 cm, and AC = 20 cm. Find the area of the tr...
A sector of a circle has a central angle of 120°. The radius of the circle is 14 cm. Find the area of the sector.
In a triangle ABC, the incenter is at O. Find angle BAC if angle BOC=115°.
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