20 اسطوانة دائرية قائمة، طول قطر قاعدتها ۲۸سم، وارتفاعها ۳سم:
۱) ارسم شبكة تقريبية لهذه الأسطوانة .
۲) جذ مساحة سطحها الكلية، ثم تحقق من صحة الحل.​

Find the area of the regular hexagon if a side is 20 cm.

Cherie works in retail and her weekly salary includes commission for the amount she sells. the equation s=400+0.15c models the relation between her weekly salary, s, in dollars and the amount of her sales, c, in dollars. interpret the slope of the equation.

Sara is flying a kite at the park. the angle of elevation from sara to kite in the sky is 53° and the length of the string is 32 feet. of sara is 5 feet tall how far off the ground is the kite