Consider kite WXYZ.

Mathematics

2 answers:

kondaur [170]3 years ago

8 0

Answer:

a = 8; b = 40

Step-by-step explanation:

<em>See attached</em>

<h3>Given </h3>

XY = 3a - 5
YZ = a + 11
∠W = 50°
∠X = 3b
∠Y = 70°

Values of a and b

<h3>Solution</h3>

<u>Since XY and YZ are congruent sides, XY = YZ</u>

3a - 5 = a + 11
3a - a = 11 + 5
2a = 16
a = 8

<u>The angles Z and X are equal and the sum of 4 angles is 360°, therefore:</u>

3b + 3b + 50° + 70° = 360°
6b + 120° = 360°
6b = 240°
b = 40°

<u>Correct option is the last one </u>

a = 8; b = 40°

Inessa [10]3 years ago

4 0

Answer:

a = 8; b = 40 btw question answer is 62 and 15 and the very next one is 21 and the next one is 119 and 105

Step-by-step explanation: BECAUSE I JUST GOT IT RIGHT .

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Galina-37 [17]

<span>Part A: Solve A = (x + 23) for x.

A = x + 23

=> A - 23 = x + 23 - 23

=> A - 23 = x

=> x = A - 23 <------- answer

Part B: Determine the value of x when A = 108

Replace the value of A in the expression x = A - 23

x = 108 - 23 = 75

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Part C: Solve -np - 90 > 30 for n.

-np - 90 > 30

=> -np + np - 90 >30 + np

=> - 90 > 30 + np

=> -90 - 30 > 30 - 30 + np

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