Una empresa fabrica sombrillas para la playa. Para ello, una lona es cortada en forma de un decágono regular de lado igual a 1.8 metros. Calcula la cantidad de lona que se requiere para fabricarla.

Calcule a distância percorrida por um ciclista ao dar 5 voltas em torno dessa praça. \( \pi=3,14 \).

6. \( x \)-अक्षको भुकाव लेन्नुहोस् । Write down the slope of \( x \)-axis.

\( \begin{array}{l}\text { Which postuate or theorem proves that these } \\ \text { conguent? }\end{array} \) SAS Congruence P ASA Congruence P AAS Congruence T HL Congruence Th

8. If the ratio of the corresponding sides of two similar triangles is 35 , and the area of the smaller triangle is \( 27 \mathrm{~cm}^{2} \), then what is the area of the larger triangle? 9. If the area of two similar triangles are \( 144 \mathrm{~cm}^{2} \) and \( 720 \mathrm{~cm}^{2} \). Then find the ratio of the corresponding sides. 10. If Rectangle ABCD is similar to Rectangle EFGH, and \( \mathrm{AB}=10 \mathrm{~cm}, \mathrm{BC} \) \( =6 \mathrm{~cm} \) and \( \mathrm{FG}=18 \mathrm{~cm} \) then, what is a. The length of EF? b. The Area of Rectangle EFGH?

La base de una pirámide rectangular mide 20 m por 15 m y su altura es de 10 m. Encuentra el volumen de la pirámide.