(B) Solve the following subquestions. In triangleXYZ, angleXYZ-90°
angleYZX-30° and angleYXZ. -60°
segXY=4 cm then find seg XZ=?
Answers
Answer:
answer the following questions
Step-by-step explanation:
1. Find the lateral surface area and total surface area of a cuboid of length 80 cm, breadth
40 cm and height 20 cm
2. Find the lateral surface area and total surface area of a cube of edge 10 cm
3. Find the ratio of the total surface area and lateral surface area of a cube of edge 10 cm
4. Mary wants to decorate her Christmas tree She wants to place the tree in a wooden
block covered with coloured paper with picture of Santa Claus on it. She must know
the end quantity of paper to buy for this purpose. If the box has length, breadth and
height as so cm 40 cm and 20 cm respectively. How many square sheets of paper of
side 40 cm would she require?
5. The length, breadth and height of a room are 5 m, 4 m and 3 m respectively Find the
cost of white washing the walls of the room and the ceiling at the rate of Rs 7.30 m
6. Three equal cubes are placed adjacently in a row. Find the rate of total surface area of
the new cuboid to that of the sum of the surface areas of the three cubes
7. A 4 cm cube is cut into 1cm cubes Calculate the total surface area of all the smallcube
8. The length of a hall is 18 m and the width 12 m. The sum of the areas of the floor and the
fiat roof is equal to the sum of the areas of the four walls. Find the height of the hall