A decorative steel is shown and it is made of a circular section and 6 stems. The length of each stem is 45cm Work out the length of steel used in the frame?

The required length of steel is 270 cm.

Step-by-step explanation:

Since we have given that

Number of stems = 6

Length of each stem = 45 cm

So, we need to find the length of steel used in the frame.

So, Length of steel = Number of stems × Length of each stem

So, the length of steel becomes

Hence, the required length of steel is 270 cm.

∠lno ≅ ∠lnm

∠oln ≅ ∠mln

step-by-step explanation:

given   that triangle lno is congruent to triangle lnm.

we have to fill up the blanks in the given question.

according to above order of congruency   kept in mind we can say that

∠lno ≅ ∠lnm

∠oln ≅ ∠mln

ln ≅ ln due to common in both.

hence, by sas congruency,

the side angle side rule   states that if two sides and the included angle of one triangle are congruent to another triangle, then these two triangles are congruent.

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