Questions on Geometry: Triangles answered by real tutors!

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Geometry: Triangles

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Question 113324: Find the circumference of a circle inscribed in an equilateral triangle if the height of the triangle is 14 in.
Click here to see answer by checkley71(8405)

Question 113322: Find the distance between the points (-3, 2) and (-5, 6).
Click here to see answer by checkley71(8405)

Question 113322: Find the distance between the points (-3, 2) and (-5, 6).
Click here to see answer by solver91311(5072)

Question 113319: Find the number od degrees of each angle of a regular decagon.
Click here to see answer by Fombitz(2113)

Question 113320: Find the height to the nearest foot of a tree that makes a 50-foot shadow when a 2 ft. 6 in. pole is used to make a shadow of 3 feet.
Click here to see answer by checkley71(8405)

Question 113321: Find the midpoint between the points (7, -7) and (-3, 3).
Click here to see answer by checkley71(8405)

Question 113469This question is from textbook
: Find the coordinates of the midpoint of the segment with endpoints (-8, -3) and (1, 6).This question is from textbook

Click here to see answer by checkley71(8405)

Question 113470This question is from textbook
: A manufacturer recommends attaching a guy wire to its 40-ft antenna at a 45 angle. If the antenna is installed on a flat surface, how long must the guy wire be (to the nearest foot) if it is attached to the antenna 4 ft from the top.This question is from textbook

Click here to see answer by josmiceli(3012)

Question 113467This question is from textbook
: Solve for a2 + b2 = c2 for b.This question is from textbook

Click here to see answer by checkley71(8405)

Question 113656: Is it possible to build a triangle using the given side lengths? If so order the angle measures of the triangle from least to greatest. (Hint: Sketch each)
RS= (sqaure root of) 46, ST= 3(square root of)5, RT=5.
Click here to see answer by stanbon(26287)

Question 113669: Is it possible to build a triangle using the given side lengths? If so, order the angle measures of the triangle from least to greatest. (Hint: Sketch each.)
AB= (sqaure root) 26, BC= 4(sqaure root)5, AC= 2 (sqaure root).
Click here to see answer by stanbon(26287)

Question 113686: Find the number of degrees in each angle of a regular octagon.
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Question 113685: Give the coordinates of three points that form a triangle, what formula must be used to determine if the triangle is equilateral?
Click here to see answer by checkley71(8405)

Question 113682:
Find the midpoint between the points (7, -7) and (-3, -3).
Click here to see answer by checkley71(8405)

Question 113717: I sent this problem in a few days ago but no one helped me so I will try again!
A right triangle has one angle that measures 16. What are the measures of the other two angles? Use diagram if needed.
Thanks much for whoever helps!:)
-Jasmine
Click here to see answer by stanbon(26287)

Question 113684: Find the difference in the area of a circle circumscribed about a regular hexagon with sides of 10 cm and the area of the circle inscribed inside the same hexagon.
Click here to see answer by solver91311(5072)

Question 114027This question is from textbook geometry
: ok im helping my little cousin solve this problem and we havent been able to can u please help us the problem is:
If AC=3y-5 and HJ=4y+2 what is HB?This question is from textbook geometry

Click here to see answer by checkley71(8405)

Question 114241: Find the perimeter and area of a triangle measuring 5x3x4
I think the perimeter = 5x3x4=60
I think the area= 5+3+4=12
Click here to see answer by Fombitz(2113)

Question 114236: Find the perimeter and area of a triangle measuring 5x3x4
Click here to see answer by anne(47)

Question 114237: Find the perimeter and area of a triangle measuring 5x3x4
Click here to see answer by bucky(1732)

Question 115249: The lengths of the sides of triangle ABC are AB=6, BC=4, and CA=5, then cos A=?
Click here to see answer by Edwin McCravy(2922)

Question 115266: Find the area of the triangle ABC when c=12in, b=9in, angle A=60 degrees?
Find the area of the triangle ABC when three sides are a=9,b=12 and c=5
I need help with these, can someone show me step by step instruction thanks
Click here to see answer by stanbon(26287)

Question 115251This question is from textbook technical mathmatics
: Find the length of the longer diagonal of a parallelogram two of whose sides are 34mm and 94mm; their included angle is 105 degreesThis question is from textbook technical mathmatics

Click here to see answer by Edwin McCravy(2922)

Question 115270: in triangle ABC given that angle B=45 degrees, angle C=30 degrees, side a=10, find angle A and sides b and c?
can anyone show me step by step instruction thanks
Click here to see answer by stanbon(26287)

Question 115359This question is from textbook Beginning Algebra

: Problem 72; find an expression that represents its perimeter.
3/4x, 1/x squared, 5/x squared
This question is from textbook Beginning Algebra

Click here to see answer by stanbon(26287)

Question 116403:
the hypotenuse of a right triangle is 15 inches. one of the legs is 3 inches more than the other. find the lengths of the two legs
Click here to see answer by checkley71(8405)

Question 116398: the height of a triangle is 2 more than twice the base. the area is 20 square feet. find the base.
Click here to see answer by stanbon(26287)

Question 117073: find the perimeter of a rectangle that measures 12 inches by 20 inches
Click here to see answer by jim_thompson5910(13794)

Question 117074: Find the volume of a sphere with a diameter of 20 km.
Click here to see answer by bucky(1732)

Question 117412This question is from textbook
: What is the distance between points (0,50) and (-30,0)?This question is from textbook

Click here to see answer by jim_thompson5910(13794)

Question 117456: The sides of a triangle are x, x+7, and x+8 units long. What would the vaule of x have to be for the triangle to be a right triangle ?
Click here to see answer by checkley71(8405)

Question 117510: The area of a rectangle with width t is given by 33t - t^2. Factor the expression and determine the length of the rectangle in terms of t.
Click here to see answer by edjones(3298)

Question 117551: factor the following
a^2-2a-48
Click here to see answer by edjones(3298)

Question 117557: factor the following
m^2+3m-28
Click here to see answer by jim_thompson5910(13794)

Question 117558: c^2+19c+60
factor the above

Click here to see answer by jim_thompson5910(13794)

Question 117565: r^3+7r^2-18r
factor the above
x^2y-9xy^2-36y^3
Click here to see answer by jim_thompson5910(13794)

Question 117618: find all positive values for k

x^2+kx+8
Click here to see answer by checkley71(8405)

Question 117627: complete the following statements
6a^2+13a+6=(2a+3)( )
4m^2+5mn-6n^2=(m+2n)( )
Click here to see answer by jim_thompson5910(13794)

Question 117638: The measure of the vertex angle of an isosceles triangle is 3 times as large as the measure of each base angle. find the measure of each angle of the triangle
Click here to see answer by stanbon(26287)

Question 117650: in a triangle the measure of the second angle is 4 times the measure of the first angle. the measure of the third angle is equal to the sum of the measures of the first two angles. find the number of degrees in each angle of the triangle
Click here to see answer by ankor@dixie-net.com(6693)

Question 117647: what is the sum of the measures of the two acute angles of a right triangle
Click here to see answer by stanbon(26287)

Question 117683: factor
4x^2-12x+5
3x^2-5x-2
Click here to see answer by stanbon(26287)

Question 117687: factor
x^2+5x-66
x2-13xy+40y^2
Click here to see answer by jim_thompson5910(13794)

Question 117687: factor
x^2+5x-66
x2-13xy+40y^2
Click here to see answer by stanbon(26287)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575