Page 176 - Maths Skills - 8

174 Maths

10. An architect planned a house for Mrs. Kamra as shown in the figure. Find the total area of the house.
Also find the area of:
(i) Bedroom

(ii) Kitchen

(iii) Dining room

(iv) Lobby

11. Find the area of shaded portion in figures.
H

E

(i) (ii) (iii)

12. The two sides of a right angled triangle are 5 cm and 12 cm, find the area as well as the length of the
hypotenuse.

13. The area of a triangular field is 12674 m . The perpendicular from one vertex to the opposite side is 84
2
m. Find the length of this side.

14. Shaina took a cardboard of length 70 cm and width 40 cm.
She cuts a square of 6 cm from each corner of the cardboard
and folded the four sides to make a box of height 6 cm as
shown in figure. What is the shape of the box? Find the area
of the bottom of this box.

15. The diagonals of a rhombus are 8 cm and 6 cm. Find the area of the rhombus and also find the length
of the sides.

16. A plot of land is in the form of a quadrilateral, one of its diagonals is 320 m long. The two vertices on
either side of this diagonal are 30 m and 75 m away. Find the area of the plot?

F A

F E
17. Find the area enclosed by each of the given
figures. A D

B C
E B

D C