Question

Please help with this!

Answer 1

• ∠KIH ≅ ∠IKJ

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We can see three marked angles in the diagram.

One of them marked with the small square, it means this is a right angle.

The other two are marked with 3 small parallel curves, it means they are congruent:

• ∠KIH ≅ ∠IKJ,

You can name them differently but it doesn't change angles:

• ∠HIK ≅ ∠JKI.