Question

In the given figure, TA and TB are tangents d
from the external point T. PQ is another tangent
at S. If the perimeter of triangle PTQ is 20 cm, the
length of AT is
(a) 8 cm
(c) 16 cm
(b) 10 cm
(d) 20 cm​

Answer 1

Answer:

8

Step-by-step explanation:

because all sides are equal

Answer 2

PT+TQ+PQ=20

PT+TQ+PS+SQ=20

PT+TQ+AP+BQ=20

TP+AP+TQ+BQ=20

TA+TB=20

TA+TA=20

2TA=20

TA=20/2

TA=10cm