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notsponge [240]
2 years ago
8

ABC is an isosceles triangle. Find ZACB​

Mathematics
2 answers:
astra-53 [7]2 years ago
8 0

In an isoceles triangle, the 2 bottom angles (in this case is angle bad and bcd) are equal.

Triangle DBA and DBC both have 2 equal angles (a right angle, and the bottom angles - property)

So, their third angle must also be equal to each other (cause 3 add up to 180, and since the sum of the first 2 are equal, the third one must also be.)

-> The top angle of triangle BDC is 38

So, we can find angle acb by taking 38 x 2 = 76.

nata0808 [166]2 years ago
5 0

Answer:

38*2 = 76.

hapy learning

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Tpy6a [65]

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Hope this helps
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