Taisnas piecstūra prizmas pamata malas ir 3 cm, 5 cm, 8 cm, 11 cm un 13 cm. Aprēķini prizmas sānu virsmas laukumu, ja prizmas sānu šķautne ir 15 cm!

600cm²

Step-by-step explanation:

surface area behind 5 sides

is 3×15 + 5×15 + 8×15 + 11×15 +13×15

=15×(3+5+8+11+13)

=15×40

=600cm²

the solution is the point

step-by-step explanation:

we have

> equation a

> equation b

adds equation a and equation b

substitute the value of x in equation b to find the value of y

the solution is the point