Q. 8
Draw rhombus BEST with the following measurements and calculate its area.
ET = 9 cm and ∠E = 70°.
Answer :
ET is a diagonal
Step 1 – Draw a line ET of length 9 cm.
ET is an angle bisector of ∠E as it is a diagonal in the Rhombus.
Also, opposite angles of a Rhombus are equal.
Step 2 – Draw lines at an angle 35° from E and T.
Here, ∠E = ∠T = 70°
∴ they make 35° with the diagonal ET as it is an angle bisector in a Rhombus.
Step 3 – Mark the intersecting points as B and S to complete the Rhombus.
Measure the lengths of its Diagonals D1 and D2 and then find the area by
Area = 
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Squaring Using Geometry.43 mins
Draw rhombus BEST with the following measurements and calculate its area.
BE = 5 cm and BS = 8 cm.
Tamilnadu - Math Term-2Draw rhombus BEST with the following measurements and calculate its area.
BS = 10 cm and ∠B = 60°.
Tamilnadu - Math Term-2Draw rhombus BEST with the following measurements and calculate its area.
BS = 10 cm and ET = 8 cm.
Tamilnadu - Math Term-2Draw rhombus BEST with the following measurements and calculate its area.
ET = 9 cm and ∠E = 70°.
Tamilnadu - Math Term-2Draw rhombus BEST with the following measurements and calculate its area.
BS = 6.8 cm and ET = 8.4 cm.
Tamilnadu - Math Term-2Draw rhombus BEST with the following measurements and calculate its area.
BE = 7.5 cm and ∠E = 65°.
Tamilnadu - Math Term-2