Advertisements
Advertisements
प्रश्न
Find the missing value:
| Base | Height | Area of Triangle |
| ______ | 31.4 mm | 1256 mm2 |
Advertisements
उत्तर
| Base | Height | Area of Triangle |
| 80 | 31.4 mm | 1256 mm2 |
Explanation:
b = ?
h = 31.4 mm
Area = `1/2 xx b xx h` = 1256 mm2
`1/2 xx b xx 3.14` = 1256
b = `(1256xx2)/31.4`
b = 80 mm
Therefore, the base of triangle is 80 mm.
APPEARS IN
संबंधित प्रश्न
Find the area of the quadrilateral ABCD whose vertices are respectively A(1, 1), B(7, –3), C(12, 2) and D(7, 21).
Find the area of the triangle formed by joining the mid-points of the sides of the triangle whose vertices are (0, -1), (2, 1) and (0, 3). Find the ratio of this area to the area of the given triangle
Find values of k if area of triangle is 4 sq. units and vertices are (k, 0), (4, 0), (0, 2).
Find the area of a triangle whose vertices are
`(at_1^2,2at_1),(at_2^2,2at_2)` and `(at_3^2,2at_3)`
The point A divides the join of P (−5, 1) and Q(3, 5) in the ratio k:1. Find the two values of k for which the area of ΔABC where B is (1, 5) and C(7, −2) is equal to 2 units.
Prove that the points A (a,0), B( 0,b) and C (1,1) are collinear, if `( 1/a+1/b) =1`.
Using integration, find the area of the triangle whose vertices are (2, 3), (3, 5) and (4, 4).
Let `Delta = abs (("x", "y", "z"),("x"^2, "y"^2, "z"^2),("x"^3, "y"^3, "z"^3)),` then the value of `Delta` is ____________.
Find the coordinates of the point Q on the x-axis which lies on the perpendicular bisector of the line segment joining the points A(–5, –2) and B(4, –2). Name the type of triangle formed by the points Q, A and B.
Area of a triangle PQR right-angled at Q is 60 cm2 (see figure). If the smallest side is 8 cm long, find the length of the other two sides.

