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If Δ ABC ∼ Δ XYZ then complete the following brackets.
`(AB)/(XY) = /(YZ) = (AC)/`
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Draw ∠ ARP= 115° and bisect it.
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Write down the equation of X- axis.
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Draw seg AB of length 5.7 cm and bisect it.
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Draw ∠ABC of measure 120° and bisect it.
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Find the trigonometric sine ratio of an angle in a standard position whose terminal arm passes through the point (3, 4).
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Prove that “That ratio of areas of two similar triangles is equal to the square of the ratio of their corresponding sides.”
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Construct ∠ABC = 60° and bisect it
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Construct ∠PQR = 115° and divide it into two equal parts
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Draw Seg AB of length 9.7 cm. Take point P on it such that AP = 3.5 cm and A–P–B. Construct perpendicular to seg AB from point P.
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Draw seg AB of length 4.5 cm and draw its perpendicular bisector
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Point P is at a distance of 6 cm from line AB. Draw a circle of radius 4 cm passing through point P so that line AB is the tangent to the circle
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Choose the correct alternative:
If sin θ = `3/5`, then cos θ = ?
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If 2 sin θ = 3 cos θ, then tan θ = ?
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If cos(45° + x) = sin 30°, then x = ?
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If sec A = `x + 1/(4x)`, then show that sec A + tan A = 2x or `1/(2x)`
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In the above figure `square`ABCD is a rectangle. If AB = 5, AC = 13, then complete the following activity to find BC.
Activity: ΔABC is a `square` triangle.
∴ By Pythagoras theorem
AB2 + BC2 = AC2
∴ 25 + BC2 = `square`
∴ BC2 = `square`
∴ BC = `square`
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Construct two concentric circles with centre O with radii 3 cm and 5 cm. Construct a tangent to a smaller circle from any point A on the larger circle. Measure and write the length of the tangent segment. Calculate the length of the tangent segment using Pythagoras' theorem.
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In the right-angled triangle ABC, Hypotenuse AC = 10 and side AB = 5, then what is the measure of ∠A?
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If tan θ = `12/5`, then 5 sin θ – 12 cos θ = ?
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