Advertisements
Advertisements
प्रश्न
On a map drawn to a scale of 1 : 2,50,000; a triangular plot of land has the following measurements : AB = 3 cm, BC = 4 cm and angle ABC = 90°.
Calculate : the area of the plot in sq. km.
उत्तर
The area of the plot in sq. km
`= 1/2 xx AB xx BC`
`= 1/2 xx 7.5 xx 10`
= 37.5 sq. km
APPEARS IN
संबंधित प्रश्न
Given `triangle ABC ~ triangle PQR`, if `(AB)/(PQ) = 1/3`, then find `(ar triangle ABC)/(ar triangle PQR)`
In Δ ABC , MN || BC .
If `"AB"/"AM" = 9/4` , find `("Ar" ("trapezium MBCN"))/("Ar" . (triangle "ABC"))`
In the following figure, point D divides AB in the ratio 3 : 5. Find :
DE = 2.4 cm, find the length of BC.
If ΔABC, D and E are points on AB and AC. Show that DE || BC for each of the following case or not:
AB = 5.6cm, AD = 1.4cm, AC = 7.2cm, and AE = 1.8cm
Two figures are similar. If the ratio of their perimeters is 8:16. What will be the ratio of the corresponding sides?
Check whether the triangles are similar and find the value of x
If BD ⊥ AC and CE ⊥ AB, prove that ∆AEC ~ ∆ADB
From the given figure, prove that ΔABC ~ ΔEDF
In triangle ABC point D is on side BC (B−D−C) such that ∠BAC = ∠ADC then prove that CA2 = CB × CD
In the given figure, if ABCD is a trapezium in which AB || CD || EF, then prove that `(AE)/(ED) = (BF)/(FC)`.
