Question

plss sol 3rd give an appropriate solution

Answer 1

can you give me figure then I can solve it.

Answer 2

Since the bridge makes an angle or 45 degrees with the river bank, the triangle formed is an isosceles right-angled triangle. The length of the bridge is the hypotenuse and = 150 m, so the width of the river is 150*cos 45 =150/2^0.5 = 75*2^0.5 m = 106.066 m.