Question
Which of the following is a characteristic property of
acids ?Solution
Acids turn blue litmus paper red due to their acidic nature. (A) Have a pH greater than 7: acids have a pH less than 7. (C) Turn red litmus paper blue: this is a property of bases. (D) More than one of the above: only option (B) is correct.
A right-angled triangle has one leg of 12 cm and the hypotenuse of 13 cm. Find the length of the other leg.
The ratio of the height to the base of a triangle is 3:2. If the sum of the height and base of the triangle is 25 cm, what is the area of the triangle?
Calculate the hypotenuse of an isosceles right-angled triangle where the equal sides are 8√6 cm each.
In a ∆ABC, points P, Q and R are taken on AB, BC and CA, respectively, such that BQ = PQ and QC = QR. If ∠ BAC = 75°, what is the measure of &...
What is the height of an equilateral triangle if each side measures 8√3 cm?
A triangle has sides 13, 14, 15. Find its area.
The sides of a triangle are 15 cm, 20 cm, and 25 cm. A smaller triangle is drawn inside it such that its sides are proportional to the original triangle...
Find the altitude of an equilateral triangle whose side is 8√3 cm.
The inner-radius of a triangle is 5 cm, and the sum of lengths of its sides is 60 cm. What is the area of the triangle (in sq. cm.)?
- In triangle GHI, JK is drawn parallel to side HI. If GJ = 7 cm, JH = 2 cm, and GK = 14 cm, find GI.
