The value of angle LATC based on the information given is 210°.
From the information given, mLATB=20° mLBTD=72° and mLCTD= 38°. Since there are four sides, the value of the total angles will be:
= 4 × 90° = 360°
Therefore, the value of LATC will be:
= 360° - (20° + 72° + 38°)
= 360° - 130°
= 210°
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