Find the area of a circle with a circumference of 18.64 units

A=86.8624pi units or A = 272.747936 units

Step-by-step explanation:

Circumference = 2(pi)r

18.64=2(pi)r

r=18.64/2pi

r=9.32pi

Area = pi(r^2)

A = pi(9.32^2)

A=86.8624pi units

or A = 272.747936 units

∠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.