Math, asked by amishanaik1312, 4 months ago

Q. 18. Attempt any one of the following
1 Lines AE and CD intersects each other intersect at T
If <DTA + <CTB =72°and < ETC 43° then find <CTB and
reflex < ATB

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Answers

Answered by murshinamujeeb

1

Answer:

<CTB=29°

reflex<ATB=331°

Step-by-step explanation:

<DTA+<CTB+<ATB=180 [ANGLE ON LINE]

72°+<ATB=180

<ATB=108°

<ATB+<BTC+<CTE=180

108+<CTB+43=180

<CTB=29

REFLEX

<ATB=360-29

=331°

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