Advertisements
Advertisements
Question
Find the area of the following triangle:
Advertisements
Solution
Area of triangle = `1/2 xx "Base" xx "Height" `
Base = 4 cm
Height = 3 cm
Area = `1/2 xx 4 xx 3`
= `12/2`
= 6 cm2
APPEARS IN
RELATED QUESTIONS
Prove that the points (a, b + c), (b, c + a) and (c, a + b) are collinear
In each of the following find the value of 'k', for which the points are collinear.
(7, -2), (5, 1), (3, -k)
Find the area of the following triangle:
Find the centroid of the triangle whosw vertices is (1,4), (-1,1) and (3,2) .
Show that the points O(0,0), A`( 3,sqrt(3)) and B (3,-sqrt(3))` are the vertices of an equilateral triangle. Find the area of this triangle.
Find the value of y for which the points A(-3, 9), B(2,y) and C(4,-5) are collinear.
In Figure 1, PS = 3 cm, QS = 4 cm, ∠PRQ = θ, ∠PSQ = 90°, PQ ⊥ RQ and RQ = 9 cm. Evaluate tan θ.
The base and the corresponding altitude of a parallelogram are 10 cm and 3.5 cm, respectively. The area of the parallelogram is 30 cm2.
Find the missing value:
| Base | Height | Area of parallelogram |
| ______ | 8.4 cm | 48.72 cm2 |
Area of a right-angled triangle is 30 cm2. If its smallest side is 5 cm, then its hypotenuse is ______.
