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प्रश्न
Find the area of the following triangle:
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उत्तर
Area of triangle = `1/2 xx "Base" xx "Height"`
Base = 5 cm,
Height = 3.2 cm
Area = `1/2 xx 5 xx 3.2`
= 8 cm2
संबंधित प्रश्न
If the points A(x, 2), B(−3, −4) and C(7, − 5) are collinear, then the value of x is:
(A) −63
(B) 63
(C) 60
(D) −60
If the points A(−1, −4), B(b, c) and C(5, −1) are collinear and 2b + c = 4, find the values of b and c.
If A(4, –6), B(3, –2) and C(5, 2) are the vertices of ∆ABC, then verify the fact that a median of a triangle ABC divides it into two triangle of equal areas.
Prove that the points (2, – 2), (–3, 8) and (–1, 4) are collinear
Show that points A(a, b + c), B(b, c + a), C(c, a + b) are collinear.
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.
Show that the following points are collinear:
A(–5, 1), B(5, 5) and C(10, 7)
Find the value of y for which the points A(–3, 9), B(2, y) and C(4, –5) are collinear.
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 missing value:
| Base | Height | Area of Triangle |
| ______ | 31.4 mm | 1256 mm2 |
