Question

please help me do this work.​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Name them ABC where A is 25°

and D as 95°

now connect the bottom legs B and C

since ,ABC and DBC are both isosceles ∆ now

angle B = angle C

L A+L ABC +L ACB = 180

25+ L ABC +L ABC =180 (L B and L C are same)

2L ABC = 180-25

L ABC = 155/2 = 77.5°

Now in ∆ DBC

L DBC= L DCB ( isosceles∆)

L D +L DBC+ L DCB =180°

95+ L DBC + L DBC = 180°

2L DBC = 180°- 95°

L DBC = 85/2 = 42.5°

now we know that L ABC - L DAC = L ABD which is also equal to L ABD( opposite side of isosceles ∆)

L ABD 77.5°-42.5° = 35°

both are 35° each