In Δ ABC , if ∠BAC = 90° and AB = AC , then ∠ABC is

More Questions from Volume and Surface Area

• Two circles touch externally. The sum of their areas is 130π sq.cm and the distance between their centers is 14 cm. The radius of the bigger circle is
• The diagonals do not form at least two congruent triangles in a _____.
• Points P and Q lie on side AB and AC of triangle ABC respectively such that segment PQ is parallel to side BC. If the ratio of AP:PB is 1:4 and area of Δ APQ is 4 sq cm, what is the area of trapezium PQCB?
• In ΔDEF, G and H are points on side DE and DF respectively. GH is parallel to EF. If G divides DE in the ratio 3:2 and HF is 8 cm, then the length of DF is
• The total surface area of a hemisphere is 462 sq cm, what is its curved surface area? (Take π = 22/7)
• Δ DEF and Δ GHI are similar triangles. Length of AB is 10 cm and length of the corresponding side DE is 6 cm. What is the ratio of Perimeter of ΔABC to ΔDEF?
• In a cyclic quadrilateral ABCD ∠BCD=120° and passes through the centre of the circle. Then ∠ABD = ?
• The midpoints of AB and AC of a triangle ABC are X and Y respectively. If BC+XY=12 units, then BCXY is
• In an isosceles ΔABC, AD is the median to the unequal side meeting BC at D. DP is the angle disector of ∠ADB and PQ is drawn parallel to BC meeting AC at Q. Then the measure of ∠PDQ is
• An angle is smaller than its supplementary by 30°. What is the measure of the angle?

Discussion & Comments