The mean of the height of ^@ 6 ^@ pillars is ^@ 215 \space cm^@. If the individual height of ^@ 5 ^@ of them ^@ 181, 188, 178, 189, \text{ and } 170 \space cm^@, find the height of the ^@6^{ th }^@ pillar.
Mr. and Mrs. Ahuja went to theatre with their 4 children. The children were charged with half of the entrance fee. If the total fee charged was $56, what is the entrance fee for each adult?
If two triangles are congruent then their corresponding sides and their corresponding angles are equal.
B.
If the two angles and the included side of one triangle are respectively equal to the two angles and the included side of another triangle then the triangles are congruent.
C.
If the hypotenuse of a right triangle is equal to hypotenuse of another right triangle then the triangles are congruent.
D.
If two sides and the included angle of a triangle are respectively equal to the two sides and the included angle of another triangle, the triangles are congruent.
The front wall of a factory as shown below has to be painted. The area of the entrance shown in grey does not need to be painted. If the cost of painting is $6 per square m, find the total cost for painting the entire wall.