Answer:
b=5V2
Step-by-step explanation:
Area =31 1/4 = b*12.5 sin45/2=b*12.5*V2/2* 1/2=12.5V2/4 *b
(31*4+1)/4=125/4
so 125/4= 12.5V2*b/4
12.5V2*b=125
b=125/12.5V2=10/V2=10V2/2=5V2
Answer:
Step-by-step explanation:
b
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https://www.wyzant.com/resources/answers/173997/the_length_of_the_rectangle_is_7ft_more_than_twice_the_width_and_the_area_of_the_rectangle_is_99ft_squared_find_length_and_width