Respuesta :

That's a quarter of the circle. So find the area of the circle, and divide by 4 to get the answer.

Circle area = 3.14*13^2 = 530.66
Answer = circle area / 4 = 132.665

Answer:

132.7323 (4 dp)

Step-by-step explanation:

Area of sector formula: θ/360 x πr²

Substitute given values into formula:

90/360 x π x 13²

= 132.7323...