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If a equals 6 cm find the area of the equilateral triangle Round the ...

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187.10 ... If a equals 6 cm find the area of the equilateral triangle Round the answer to one decimal place? ... 3.91 rounded off to one decimal place = 3.9.

An equilateral triangle has the area of 25 squared root

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Jun 2, 2012 ... Round answer to the one decimal place. ... For example: A squared + b squared.. . geometry - If a=6cm, find the area of the equilateral triangle.

Pythagoras' theorem - Wiley

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11 a Draw four triangles with a 30° angle like the one shown at right, ... side in a triangle, if we know the lengths of the two other sides. ... Round your answer correct to. 1 ... 6 An isosceles triangle has a base of 30 cm and a perpendicular height of 10 cm. Find ... Find the length of the hypotenuse, correct to 2 decimal places.

Mensuration - I Love Maths -A complete, Indian site on Maths

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Let h be the height and a be the side of an equilateral triangle, then h = ( 3/2) a. ... If R and r are the radii of the circumscribed and inscribed circles of the ... Find the length of the diameter of a circle whose circumference is 44 cm. ... (a) Find the area of the figure (i) given below in square cm correct to one decimal place.

Polygons Problems

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Problem 1: A 6 sided regular polygon (hexagon) is inscribed in a circle of radius ... angles of the triangle are equal and therefore it is an equilateral triangle. ... side of pentagon = 2 OM tan(t / 2) = 8.7 cm (answer rounded to two decimal places) ... be approximated by the area of the circumscribed circle with radius R. ( HINT: If ...

Questions on Geometry: Area and Surface Area answered by real ...

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Need to find the surface area of composite figures and leave answer in terms of pi. The first .... The area of one base of the prism, in square feet is 6%2A14=84 . ... how to calculate the slant height if given that the height is 63 cm and the angle is 71 opposite ..... Use pi = 3.14 and round your answers to one decimal place. a.

Quandaries & Queries at Math Central - Centrale des maths

mathcentral.uregina.ca/qandq/topics/angle

-if the area of the rectangle is 7 square feet, what are the possible values of x? .... Lizzie, who is 6 feet tall, stands in her driveway at night, exactly 24 feet from the base of a ... Find the area of an isosceles triangle having two equal sides of 20 cm each and .... DC is an arc of a circle, centre A. Find, correct to 1 decimal pl...

Quandaries & Queries at Math Central - Centrale des maths

mathcentral.uregina.ca/QandQ/topics/inscribed in a circle

find the area of a regular pentagon inscribed in a circle with radius 3 units ... If I know the distance of the flat sides opposite one another of my hex, how can I calculate the size of ... The vertices of an equilateral triangle with side length of 10 sqrt 3 cm lie on a circle. ... Determine its perimeter and area to one decimal plac...

Area - Quandaries & Queries at Math Central - University of Regina

mathcentral.uregina.ca/QandQ/topics/area

I was previously to be purchasing a square 1 acre plot, which I believe was to have 209feet, 4 sides perimeter. .... A pamphlet has the following dimensions: 4 cm by 6 cm If the area of the ... Find the area of an isosceles triangle having two equal sides of 20 cm each and angle .... (Round your answer to three decimal places)

Right pyramids, right cones and spheres - Everything Maths and ...

m.everythingmaths.co.za/maths/grade-10/12-measurement/12-measurement-03.cnxmlplus

We call a pyramid a “right pyramid” if the line between the apex and the centre of the ... Find the surface area of the following cone (correct to 1 decimal place):.

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If a=6cm, find the area of the equilateral triangle. Round the answer ...

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Find the area of the shaded part in the figure. Use 3.14 for ƒàƒnand round your answer to one decimal place. the triangle as a cicle in the middle the right side is  ...

Areas of Circles and Sectors | CK-12 Foundation

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Sep 21, 2015 ... (hint: first find the altitude); Find the area of an equilateral triangle with ... Example 1: Find the area of a circle with a diameter of 12 cm. Solution: If the diameter is 12 cm, then the radius is 6 cm. ... Leave your answer in terms of \begin{align*}\pi\end {align*}. .... Round any decimal answers to the nearest ten...

Perimeter and Area of Plane Figures - I Love Maths -A complete ...

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Find the area of an isosceles right triangle, if one of the equal sides is 14 cm long. ... If BD = 7 cm and CD = 5 cm, find the area of the shaded region correct to 2 decimal places. ... It is divided into 6 equilateral triangle each of side 6 cm. ... How long will he take to go round a square ground 5 times, the area of which being ...