14. The cost of 10 dozen of caps is Rs.800. How many caps can bebought for Rs.200.​

Which of the following statement about pascal's triangle are true?

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Someone me what is the area of this figure? 18m 18m 8m 16m