Thực hiện các phép toán sau:
a. 10110111,10012 =?8,10,16

so a parallelogram is just like a square base times height. multiply 40 and 39 to get 1560 inches.

a triangle is base times height divided by two. so multiply 7.9 and 5 and then divide it by 2 to get 19.75inches.

the kite can be split into two separate triangles and added together to get the total area. 30 x 4 /2 which equals 60. make sure to double it for the two triangles making 120.

chase is right because he already been to the swings and he know how far it will be to get there

step-by-step explanation:

i think the amount would be $140.62