The three sides of triangular field are 20 m, 21 m and 29 m long. The area of the field is |
|||||||
(a) |
210 sq. cm |
(b) |
215 sq. cm |
(c) |
230 sq. cm |
(d) |
None of these |
The three sides of triangular field are 20 m, 21 m and 29 m long. The area of the field is |
|||||||
(a) |
210 sq. cm |
(b) |
215 sq. cm |
(c) |
230 sq. cm |
(d) |
None of these |
Since, so it is a right-angled triangle with base 20 m and height 21 m.
Area =
The perimeter of an isosceles triangle is equal to 14 cm and the lateral side is to the base in the ratio 5:4. The area of the triangle is |
|||||||
(a) |
21 cm2 |
(b) |
0.5 |
(c) |
1.5 |
(d) |
2 |
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