Question

from a top pillar 35m high above the water the angel of depression of boat is 45⁰ . find the horizontal distance of the boat from the pillar​

Answer 1

Answer:

Area of a circle = 13.86 πr2

= 13.86 22/7 (r2) = 13.86 r2

= 13.86 × 7/22 r2

= 4.41 r = 2.1

Radius of the circle is 2.1 cm  

Diameter of the circle is 2.1 × 2  

i.e. 4.2 cm.

Step-by-step explanation:

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