nassiya22 nassiya22

23-04-2021
Mathematics

contestada

Find dcq pls thanks so much

Find dcq pls thanks so much class=

Respuesta :

lynnkc2000 lynnkc2000

23-04-2021

Answer:

arc ABC = 196°

∠DCQ = 47°

Step-by-step explanation:

arc AD = 70°

∠D = 1/2 arc ABC = 98°

arc ABC = 98° * 2 = 196°

arc CD = 360° - arc AD - arc ABC = 360°-70°-196° = 94°

tangent chord angle DCQ = 1/2 arc CD = 1/2 * 94° = 47°

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