Advertisements
Advertisements
प्रश्न
Draw the circumcircle of Δ PMT in which PM = 5.4, P = 60°, M = 70°.
Advertisements
उत्तर
1. Construct a base PM of length 5.4cm. Draw angles of 60and 70 from points P and M respectively and mark their intersection point as T.
APPEARS IN
संबंधित प्रश्न
A race track is in the form of a ring whose inner circumference is 352 m, and the outer circumference is 396 m. Find the width of the track.
A car has wheels which are 80 cm in diameter. How many complete revolutions does each wheel make in 10 minutes when the car is travelling at a speed of 66 km per hour ?
In Fig. there are shown sectors of two concentric circles of radii 7 cm and 3.5 cm. Find the area of the shaded region. Use π = `(\frac { 22 }{ 7 }).`
The minute hand of a clock is 10cm long. Find the area of the face of the clock described by the minute hand between 9 A.M. and 9.35 A.M.
In the given figure, ∆ ABC is a right-angled triangle in which ∠ A is 90°. Semicircles are drawn on AB, AC and BC as diameters. Find the area of the shaded region
Find the circumference of the circle with the following radius: (Take `bb(pi = 22/7`)
14 cm
A chord of a circle of radius 30 cm makes an angle of 60° at the centre of the circle. Find the areas of the minor major segments.
In a circle of radius 10.5 cm, the minor arc is one-fifth of the major arc. Find the area of the sector corresponding to the major arc.
In the given figure, OPQR is a rhombus, three of whose vertices lie on a circle with centre O. If the area of the rhombus is `32sqrt(3)`, find the radius of the circle.
Find the area of the circle if its circumfence is 88 cm.
A canvas tent is in the shape of a cylinder surmounted by a conical roof. The common diameter of the cone and the cylinder is 14 m. The height of the cylindrical part is 8 m and the height of the conical roof is 4 m. Find the area of the canvas used to make the tent.
A lawn is in the shape of a semi-circle of diameter 42 m. The lawn is surrounded by a flower bed of width 7 m all around. Find the area of the flower bed in m2 .
Find the circumference of the circle whose area is 81π cm 2.
The wheel of the car makes 10 revolutions per second. If its diameter is 70 cm, find the speed of the car in km per hour.
If the perimeter of a semi-circular protractor is 36 cm. Find its diameter.
Complete the table below.
| Radius (r) | Diameter (d) | Circumference (c) |
| ...... | 28 cm | ...... |
Find the area and perimeter of the following semicircles: Diameter = 5.6cm
Areas of two circles are equal. Is it necessary that their circumferences are equal? Why?
Circumference of a circle disc is 88 cm. Its radius is ______.
Ratio of the circumference of a circle to its diameter is denoted by symbol ______.
