If l is 30 units long and w is 10 units long, how long is the diagonal to the nearest tenth.

Therefore the diagonal is 31.6 unit.

Step-by-step explanation:

Given:

In a Rectangle

Length = L = 30 unit = Longer Leg

Width  = W = 10 unit  = Shorter Leg

Diagonal = d = Hypotenuse

To Find:

Relation between L ,W and d

d = ?

Solution:

In a Rectangle vertex angles are  90°

In Right Angle Triangle , By Pythagoras theorem we have

Substituting the values we get

i.e   .........Relation between L ,W and d

Now Substituting L = 30 ,W =10 we get

Therefore the diagonal is 31.6 unit.

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step-by-step explanation:

1.3

step-by-step explanation:

3x2=6   9x+6

bring down the 6 on both sides

6+6=12

12= 9x

divide by 9

12/9 =

1.3 =x