Question

Find angle ACB and angle ABC​

Answer 1

Answer:

Perimeter of rectangular shape garden = 340 m

Length = 5 m more than twice the breadth .

Breadth = Unknown

Forming terms :-

Let , length be 2x + 5

and , breadth be x

Formula for Perimeter :-

To find a perimeter , the formula is

=> 2×( L + B )

Answer :-

According to the formula ,

2× ( 2x + 5 + x ) = 340 m

=> 2 × ( 3x + 5 ) = 340 m

= > 3x + 5 = \frac{340}{2}=>3x+5=

2

340

=> 3x = 170 - 5

= > x = \frac{165}{3}=>x=

3

165

=> x = 55

So, x = 55 .

Putting Values :-

2x + 5 = ( 2×55) + 5 = 115

x = 55

Final Answer :-

Length = 115 metre

Breadth = 55 metre

Hope it helps friend !

Answer 2

Answer:

< DCB = 45°

< ACB = 110°

Step-by-step explanation:

< DCB = < CBA = 45°

< ACB =

< ABC + 70° = 180°

< ABC = 180°- 70°= 110°

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