Susan is building a garden in one corner of her yard which is divided into various triangles. If she makes the green triangle as the garden, how much metre fencing should she buy to enclose the garden ?
(All units are in metre)

92

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112

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96

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130

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Solution

The correct option is B $112$
For Perimeter of blue triangle ,
Side $1$ = $48$ m

Side $2$ = $32 - 18 = 14$ m

Side $3$ = $30 + 20 = 50$ m

Thus, perimeter of a triangle = sum of all sides
= $48 + 14 + 50$ m
= $112$ m

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Susan is building a garden in one corner of her yard which is divided into various triangles. If she makes the green triangle as the garden, how much metre fencing should she buy to enclose the garden ? (All units are in metre)

The correct option is B 112For Perimeter of blue triangle , Side 1 = 48 m Side 2 = 32−18=14 m Side 3 = 30+20=50 m ​​​​​​​Thus, perimeter of a triangle = sum of all sides = 48+14+50 m = 112 m

Susan is building a garden in one corner of her yard which is divided into various triangles. If she makes the green triangle as the garden, how much metre fencing should she buy to enclose the garden ?
(All units are in metre)

The correct option is B $112$
For Perimeter of blue triangle ,
Side $1$ = $48$ m

Side $2$ = $32 - 18 = 14$ m

Side $3$ = $30 + 20 = 50$ m

Thus, perimeter of a triangle = sum of all sides
= $48 + 14 + 50$ m
= $112$ m