Question

PLEASE HELP!! this is due soon and i rlly need help

Answer 1

Answer:

Solution given:

r=3km

area of sector bounded by a 90° arc=90°/360°*πr²

=¼*π*3²

=9/4 π or 7.068km²

is a required answer

Answer 2

Answer:

Step-by-step explanation:

r =  3 km

Ф = 90°

Area of a sector = $\frac{theta}{360}*\pi *r^{2}$

                           $= \frac{90}{360}* 3.14 * 3 * 3\\\\= \frac{3.14*3*3}{4}$

                           = 7.065 sq.km