Class 8 Maths
Practical Geometry
Ex. 4.1 Q1.
Construct the following quadrilaterals:
(i) Quadrilateral ABCD
AB = 4.5 cm, BC = 5.5 cm, CD = 4 cm, AD = 6 cm, AC = 7 cm
(ii) Quadrilateral JUMP
JU = 3.5 cm, UM = 4 cm, MP = 5 cm, PJ = 4.5 cm, PU = 6.5 cm
(iii) Parallelogram MORE
OR = 6 cm, RE = 4.5 cm, EO = 7.5 cm
(iv) Rhombus BEST BE = 4.5 cm, ET = 6 cm
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Ex. 4.2 Q1.
Construct the following quadrilaterals:
(i) Quadrilateral LIFT
LI = 4 cm, IF = 3 cm, TL = 2.5 cm, LF = 4.5 cm, IT = 4 cm
(ii) Quadrilateral GOLD
OL = 7.5 cm, GL = 6 cm, GD = 6 cm, LD = 5 cm, OD = 10 cm
(iii) Rhombus BEND
BN = 5.6 cm, DE = 6.5 cm
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Ex. 4.3 Q1.
Construct the following quadrilaterals:
(i) Quadrilateral MORE
MO = 6 cm, OR = 4.5 cm, ÐM = 600, ÐO = 1050, ÐR = 1050
(ii) Quadrilateral PLAN
PL = 4 cm, LA = 6.5 cm, Ð P = 900, Ð A = 1100, Ð N = 850
(iii) Parallelogram HEAR
HE = 5 cm, EA = 6 cm, Ð R = 850
(iv) Rectangle OKAY
OK = 7 cm, KA = 5 cm
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Ex. 4.4 Q1.
Construct the following quadrilaterals:
(i) Quadrilateral DEAR
DE = 4 cm, EA = 5 cm, AR = 4.5 cm, Ð E = 600, Ð A = 900
(ii) Quadrilateral TRUE
TR = 3.5 cm, RU = 3 cm, UE = 4 cm, Ð R = 750, Ð U = 1200
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Ex. 4.5 Q1.
Draw the following:
The square READ with RE = 5.1 cm.
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Ex. 4.5 Q2.
Draw the following:
A rhombus whose diagonals are 5.2 cm and 6.4 cm.
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Ex. 4.5 Q3.
Draw the following:
A rectangle with adjacent sides of length 5 cm and 4 cm.
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Ex. 4.5 Q4.
Draw the following:
A parallelogram OKAY where OK = 5.5 cm and KA = 4.2 cm.
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