Question

answer this question​

Answer 1

Answer:

<A+<B+<C

48°+4x+3x

48°+7x

55x

Step-by-step explanation:

This is of Q.n.ii.

Now you have to do this all same like this.

Hope you understand.

Answer 2

Step-by-step explanation:

(i) ABCD is a quadrilateral.

Therefore, angleA + Angle B + Angle C + Angle D = 360°

(48⁰+x) + 4x + 3x + 4x = 360⁰

12x = 360⁰ - 48⁰

x = 312/12 = 26⁰.

(ii) angle ABC = 4x = 4×26 = 104⁰.

(iii) angle ACD = 3x = 3×26 = 78⁰.