Question

Plot on the points A(1,3), B(1,-1), C(7,-1) and D(7,3) on the graph paper. Join them respectively and name the figure so formed. Find its area.

Answer 1

Step-by-step explanation:

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Answer 2

Hello, Buddy!!

Refer The Attachment ⬆️

Area of Rectangle ABCD = Area of ∆ABC+Area of ∆BDC

→ 24+24

→ 48 sq.units.

WKT

Diagonal of a rectangle divides it into two Congruent Triangles.

Area of Congruent Triangles are equal.

• Area(∆ABC) = Area(∆BDC)

Area of Rectangle = 2[Area(∆ABC)]

→ 2(24)

→ 48 sq.units

Area of Rectangle ABCD

• $\longmapsto\;\red{\bold{48\;sq.units}}$

$\boxed{\sf{Area\;of\; Triangle = |{x}_{1}(y_{2}-y_{3})+{x}_{2}(y_{3}-y{1})+{x}_{3}(y_{1}-y_{2})|}}$

$\boxed{\tt{@MrMonarque}}$

Hope It Helps You ✌️