About 90ft

step-by-step explanation: 1/2 (a+b) x h is area of trapezoid. So that would be 40
then area of circle is pi x radius squared. So that is 50.24 roughly.

so 50+40=90

and yeah

hope this helped :))

7 0

3 years ago

The population of a certain species of oak tree in a national forest declines each year by one-fourth. So, after each year, only

dolphi86 [110]

Answer: 25%

Step-by-step explanation: The question tells us that the population decreases by 1/4 every single year. That means, since 1/4 equals .25, the population decreases by 25% every year :)

7 0

3 years ago

If b equals 16.3 and a equals 21.7 what is angle A

Rama09 [41]

I think 53.088 is the answer

4 0

3 years ago