# FIND MISSING LENGTH AND ANGLES IN ISOSCELES TRAPEZIUM WORKSHEET

Find the value of the variable in each isosceles trapezoid.

Problem 1 : Problem 2 : Problem 3 : Problem 4 : Problem 5 : Problem 6 : Solution

 1)  x = 122)  x = 153)  x = 15 4)  x = 35)  x = 46)  x = 1

Find the measurement of the angle indicated for each trapezoid.

Problem 1 : Solution

Problem 2 : Solution

Problem 3 : Solution

Problem 4 : Solution

Problem 5 : Solution

Problem 6 :

Given isosceles trapezoid 𝐴𝐵𝐶𝐷, 𝐵𝐶 ∥ 𝐴𝐷. If 𝑚 < 𝐴 = 3(2x − 7) and 𝑚 < 𝐶 = 4x + 1, find the value of x. Find the measure of all of the angles.

Problem 7 :

Find ∠V Problem 8 :

Find ∠M Problem 9 :

Isosceles trapezoid ABCD with BC ||AD. If mA = 4x+20 and mD = 2x+38, find mA, mB, mC, and mD. Problem 10 :

In isosceles trapezoid ABCD, BC||AD. The measure of ADC = 4x+20 and the measure of DAB = 8x - 20. Find the value of x, ADC, DAB, BCD, and ABC.

 1)  ∠JKL = 145°2)  x = 03)  x = 94)  x = 65)  x = 96)  x = 117)  ∠V = 104 8)  ∠M = 809)  x = 910)  ∠ADC = 60∠DAB = 60∠BCD = 120∠ABC = 120

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