draw an angle aob of measure 96 degree with the help of protector then construct an angle of measure 3/4 of angle aob by using ruler and compass
draw an angle aob of measure 96 degree with the help of protector then construct an angle of measure 3/4 of angle aob by using ruler and compass Let OT A ,
zroA z
Exergise 11.1
with a and Measuree.•h angle
angle of a triangle By ruler and bisect it.
oi 72' help ot a protractor Then (using ruler and
ZAOB measure with help oi a protractor Then an
ZAOB, by ruler and compass
of equilateral triangle by using by
that each angle of an equilateral triangle is draw an angle of
—ure with protractor and bisect it by using ruler and cv.np—.
•n of 4.$ at the -nitial point ot a given ray and 'usury the
. Of angles. Bisect each of these two angles (using ruler arui
the two rays are perpendicular to each other.
Ene —grnent of 5.6 cm. Construct its perpendicular bisector justify
M easure the length of each part.
i. a une segment PQ of lenth 7.6 cm. Divide it into four equal parts by using
a circle radius 3.4 cm. Draw its chord PQ and draw tl-æ
Q. Drk•s it pass through the centre of the circle?
n. a ægrnent AB of 4 cm in length. Draw lines perpendicular to AB A
" B Are these lines parallel?
angles of tlw following measurements :
150
(NCERT)
222
ilmC«struct ü•.e following angles and verify them by measuring them with protractor.
(NCEKn
(ii0 1350
wi•æther ute following statements are true or false. Give for your
(NCERT
G) An angle Of 67.50 can be cons
(iO An angle of 42.5% can be cons
CONSTRUCTIONS .