Question

B IF ACB and BCA, then A a) b) B c) B-A​

Answer 1

Answer:

Solution:-

Given that A⊂B, i.e., B will contain all the elements of A.

∴A∪B=B

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Solution :

In ΔABD, ∠D = 90°

AB² = AD² + BD²

AB² = (12)² + (16)²

AB² = 144 + 256

AB = √400

AB = 20 cm.