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Find the value of x from the adjacent quadrilateral and also find angle A and AngleB​

Find the value of x from the adjacent quadrilateral and also find angle A and AngleB-example-1
User Allie The Icon
by
2.9k points

2 Answers

11 votes
11 votes

Answer:

∠ A = 2x + 1 = 2(93) + 1 = 186 + 1 = 187°

∠ B = x = 93°

Explanation:

The sum of the interior angles of a quadrilateral = 360°

Sum the 4 angles and equate to 360

x + 2x + 1 + 50 + 30 = 360

3x + 81 = 360 ( subtract 81 from both sides )

3x = 279 ( divide both sides by 3 )

x = 93

Then

∠ A = 2x + 1 = 2(93) + 1 = 186 + 1 = 187°

∠ B = x = 93°

Hence, the corrects answers are ∠ A = 2x + 1 = 2(93) + 1 = 186 + 1 = 187°

∠ B = x = 93°

User Yamenk
by
3.2k points
17 votes
17 votes

Answer:

see explanation

Explanation:

The sum of the interior angles of a quadrilateral = 360°

sum the 4 angles and equate to 360

x + 2x + 1 + 50 + 30 = 360 , that is

3x + 81 = 360 ( subtract 81 from both sides )

3x = 279 ( divide both sides by 3 )

x = 93

Then

∠ A = 2x + 1 = 2(93) + 1 = 186 + 1 = 187°

∠ B = x = 93°

User Alvin Theodora
by
3.3k points