Incentre of Δ ABC is I. ∠ABC = 90° and ∠ACB = 70°. ∠AIC is

More Questions from Volume and Surface Area

• The length of the two adjacent sides of a rectangle inscribed in a circle are 5 cm and 12 cm respectively. Then the radius of the circle will be
• Possible measures of three angles of a triangle are
• A chord of a circle is equal to its radius. A tangent is drawn to the circle at an extremity of the chord. The angle between the tangent and the chord is
• In a triangle ABC, if ∡A +∡C = 140° and ∡A + 3∡B = 180° , then ∡A is equal to
• If PA and PB are two tangents to a circle with centre O such that ∡ APB = 80°. Then ∡ AOP =
• Which of the set of three sides can't form a triangle?
• A solid sphere of radius 9 cm is melted to form a sphere of radius 6 cm and a right circular cylinder of same radius. The height of the cylinder so formed is
• An arc of 30° in one circle is double an arc in a second circle, the radius of which is three times the radius of the first. Then the angles subtended by the arc of the second circle at its centre is
• Two circles touch each other externally. The distance between their centres is 7 cm. If the radius of one circle is 4 cm, then the radius of the other circle will be
• Length of the sides of a triangle are a, b, c respectively. If a2 + b2 + c2 = ab +bc + ca then the triangle is

Discussion & Comments