Mathematics
In a circle with centre O and diameter AB; angle APB is the angle of semicircle. If PA = PB; find the measure of each angle of triangle APB.
Related Questions
Draw a circle with radius 4 cm. Draw a chord AB of length 6 cm. Shade its minor segment by horizontal lines and major segment by vertical lines.
Draw a circle with centre at point P. Draw its radii PA and PB such that angle APB = 90°. Shade the minor sector of the circle by horizontal lines and its major sector by vertical lines.
In the following figure, O is the centre of the circle and AB is a diameter.
C and D are the points on the circumference of the circle such that ∠CAB = 35° and ∠ABD = 55°. Find the measures of angles CAD and CBD.
The following figure shows a circle with centre O and diameter PQ. Point R lies on the circumference of the circle such that PR = QR and PR = 4 cm.
Calculate the radius of the given circle and state its value correct to two decimal places.