Question

the area of a triangle is 1800 cm square when both the length and breadth are increased by 10 cm each the area increased by 1000 CM the length of rectangle is​

Answer 1

Answer:

7.2cm

Step-by-step explanation:

Length (l) of rectangle = 18 cm

Breadth (b) of rectangle = 10 cm

Area of rectangle = lb

=180cm

2

Increased Length (l

1

) of rectangle

= 25 cm

Let increased breadth be b

1

Area =l

1

b

1

180cm

2

=25cm×b

1

⇒b

1

=7.2cm

Length of Increased Breadth = 7.2 cm