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Question
The points A(2, 3), B(4 , 5) & C(7, 2) are the vertices of ∆ ABC.
∆A”B”C” is the image of ∆ ABC, when reflected in – axis.
Mention the special name of quadrilateral BCC”B” & find its area.
The points A(2, 3), B(4 , 5) & C(7, 2) are the vertices of ∆ ABC.
∆A”B”C” is the image of ∆ ABC, when reflected in – axis.
Mention the special name of quadrilateral BCC”B” & find its area.
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Solution
The correct option is E Isosceles Trapezium, 21
A”(2, 3), B”(7, -2), C”(4, -5)
BB”C”C is an isosceles trapezium.
Area = ½ [sum of || sides] x height
= ½ [10 + 4] x 3
= 21 units2
Isosceles Trapezium, 21
A”(2, 3), B”(7, -2), C”(4, -5)
BB”C”C is an isosceles trapezium.
Area = ½ [sum of || sides] x height
= ½ [10 + 4] x 3
= 21 units2