In ΔCDE, m ∠ C = ( x − 4 ) ∘ m∠C=(x−4) ∘ , m ∠ D = ( 11 x − 11 ) ∘ m∠D=(11x−11) ∘ , and m ∠ E = ( x + 13 ) ∘ m∠E=(x+13) ∘ . Find

Question

3 years ago

9

m ∠ C . m∠C.

2 answers:

Alex Ar [27] · Answer 1 · 2022-09-01T05:50:57+03:00

5 0

Answer: <C =10°

Step-by-step explanation:

KatRina [158] · Answer 2 · 2022-09-01T04:49:17+03:00

4 0

Answer:

<C =10°

Step-by-step explanation:

The sum of angles in a triangle is 180°. Hence,

<C+<D+<E =180

Given

<C =x-4

<D = 11x-11

<E = x+13

Substitute

x-4+11x-11+x+13 = 180

13x-2 = 180

13x =180+2

13x = 182

x = 182/13

x = 14

Get <C

Since <C = x-4

<C = 14-4

<C =10°