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

187.10 ... If a equals 6 cm find the area of the equilateral triangle Round the answer to one decimal place? ... what is round these to one decimal place? it means ...

## An equilateral triangle has the area of 25 squared root

www.jiskha.com/display.cgi?id=1338648183

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.

## 3 Pythagoras' Theorem

www.cimt.plymouth.ac.uk/projects/mepres/book8/bk8_3.pdf

the area of the square on the hypotenuse is equal to the sum ... If we use the letters a, b and c for the sides of a right-angled .... d = 17.9 cm, correct to 1 decimal place. Exercises. 1. Calculate the length of the hypotenuse of each of these ... 6. An isosceles triangle has a base of length 4 cm and perpendicular height 8 cm.

## 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...

## Questions on Geometry: Triangles answered by real tutors! - Algebra

www.algebra.com/algebra/homework/Triangles/Triangles.faq

Question 1036136: what is the formula to find the area of an equilateral triangle. ... Question 1036002: If one leg of a right triangle is 3 times as long as the other leg, what is the measure of the smallest angle in the .... Question 1035055: One side of a triangle measures 6 cm. ..... 24 round Decimal answer to nearest 10th

## perimeter and area - Online Math at UH

online.math.uh.edu/MiddleSchool/Modules/Module_3_Measurement/Content/PerimeterandArea-TEXT.pdf

1. Find the perimeter of an equilateral triangle with side length 7 m. 2. Find the perimeter of a ... Find the perimeter of a rectangle with length 8 cm and width 5 cm. 5. If ... 6 If a tennis court has a perimeter of 210 ft and a length of 78 ft, find its width. .... π is an irrational number, but its value is shown below to 50 decimal...

## Polygons Problems

www.analyzemath.com/Geometry/polygons_problems.html

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 ...

## Areas of Circles and Sectors | CK-12 Foundation

www.ck12.org/book/CK-12-Geometry-Second-Edition/section/10.5/

(find the altitude); Find the area of an equilateral triangle with side ... 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. The area is ... Leave your answer in terms of @\ begin{align*}\pi\end{align*}@. .... Round any decimal answers to the nearest tenth.

## Chapter 7: Geometry: Measuring Area and Volume

Lesson 7-1 Area of Parallelograms, Triangles, and Trapezoids 315 .... 3,100. The area to be seeded is 9,600. 3,100 or 6,500 square feet. If one bag ... 2. 1. (14.2)( 8.5). A = 60.35 mm2. Find the area of each figure. 4. 5. 6. 6.4 cm ..... ALGEBRA For Exercises 25 and 26, round to the nearest tenth. ... Our answer is reasonable.

## Right pyramids, right cones and spheres

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):.

### Find the area of a triangle with sides of length 5 and 8

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If a=6cm, find the area of the equilateral triangle. ... Use 3.14 for ƒàƒnand round your answer to one decimal place. the triangle as a cicle in the middle the right ...

### Pythagoras' theorem - Wiley

www.wiley.com

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.

### Angles - Quandaries & Queries at Math Central - University of Regina

mathcentral.uregina.ca

-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...