Questions on Geometry: Triangles answered by real tutors!

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Question 967096: If the sides of a right triangle are a=5 and b=8, the angle B is?
a.) 59 degrees, 2', 10"
b.) 57 degrees, 59', 41"
c.) 32 degrees, 0', 19"
d.) 30 degrees, 57', 50"
Click here to see answer by Fombitz(32388)

Question 967207: its a 45 45 90 triangle and the base is x. one leg is 7sqrt(3) so i know that the other one is as well. i need to find x
Click here to see answer by rothauserc(4718)

Question 967262: Can an isosceles right triangle have all sides with integer length? Why or why not?
I Googled this question and received the answer no with an explanation I did not understand. I want to know if you agree that the answer is no and if so why, and if not. I'm having a hard time with geometry concepts so please "dummy down the answer".
I greatly appreciate the help.
Click here to see answer by Theo(13342)

Question 967292: Two triangles are similar. One has sides of 8 m, 5 m, and 6 m. If the longest side of the second triangle is 5 m, what are the lengths of the other two sides.
Click here to see answer by josgarithmetic(39616)

Question 967297: suppose a triangle has two sides of length 42 and 35, and that the angle between these two sides is 120. What is the length of the third side of the triangle?
Click here to see answer by josgarithmetic(39616)

Question 967351: in circle O, AB=12 AC=13 and
Click here to see answer by Alan3354(69443)

Question 967676: In a right angle, one of the legs is 7cm longer than the other. If the perimeter is 40cm, find the lengths of all three sides of the angle
Click here to see answer by stanbon(75887)

Question 967707: which numbers can represent the side lengths of a right triangle?
Click here to see answer by MathLover1(20849)

Question 967794: the two sides of a triangle measures 5 cm and 7cm respectively and the included angle of these 2 sides is 30 degrees. what is the perimeter of the triangle
Click here to see answer by josgarithmetic(39616)

Question 967711:
A wire is stretched from the top of a 12 foot pole to a stake 5 feet from the base of the pole. How long was the wire?
Click here to see answer by checkley77(12844)

Question 967710:
The bottom of a 13 foot straight ladder is set into the ground 5 feet away from a wall. When the top of the ladder is leaned against the wall, what is the distance above the ground it will reach?
Click here to see answer by checkley77(12844)

Question 969118: The measures of 3 angles of a triangle are 36,21,and x. What is the value of x?
Click here to see answer by Alan3354(69443)

Question 969248: The sides of a triangle are 10,24,26. Find the smallest angle
Click here to see answer by Fombitz(32388)

Question 969363: a triangle has an area of 90 square centimeters and a height of 12 centimeters.wath is the length of the base
Click here to see answer by Boreal(15235)

Question 969383: One side of triangle is half the longest side. The third side is 9 feet less than the longest side. The perimeter is 51. Find all three sides.
Click here to see answer by josgarithmetic(39616)

Question 969431: Find the perimeter of the triangle whose vertices are the following specified points in the plane.
(2,7), (5,-10), and (1,-5)
Click here to see answer by Boreal(15235)

Question 969434: If AC = 5 and AB = 13, then find m∠A.
Click here to see answer by Alan3354(69443)

Question 969542: A regular triangular pyramid with a slant height of 9m has a volume equal to 50m^3. find the lateral area of pyramid?
i really want to know how to solve this, please need help. i tried but i failed. and dunno where to put this topic, thanks
Click here to see answer by rothauserc(4718)

Question 969579: Is a triangle has side lengths 3 inches ,4 inches and 8 inches is that sometimes true always true or never true

Click here to see answer by amarjeeth123(569)

Question 969619: The side lengths of a right triangle are each integral number of units. If one of the legs is 13 units, what is the perimeter of the triangle?
Click here to see answer by Alan3354(69443)

Question 969551: GHI with 5cm side, 30 angle and 60 angle
Click here to see answer by Alan3354(69443)

Question 969653: The ratio of the angle measures of a triangle is 1 : 2 : 3. Find the angle measures. Then classify the triangle by it's angle measures.
Click here to see answer by amarjeeth123(569)

Question 969688: An isoceles triangle has congruent sides that each measure 3 feet and a base angle of measure of x as shown in the sketch. The third side has a whole number length, if x <60 degrees , what are the possibilities of the perimeter of the triangle?
Click here to see answer by josgarithmetic(39616)

Question 969745: Two angles of a quadrilateral measure 167� and 108�. The other two angles are in a ratio of 7:10. What are the measures of those two angles?
Click here to see answer by Boreal(15235)

Question 966411: In ΔABC, if m ∠A = m∠C, m∠B = � (where � is an acute angle), and BC = x, which expression gives the length of b, the side opposite ∠B ?
Click here to see answer by GrantJones(3)

Question 966411: In ΔABC, if m ∠A = m∠C, m∠B = � (where � is an acute angle), and BC = x, which expression gives the length of b, the side opposite ∠B ?
Click here to see answer by Alan3354(69443)

Question 966428: The legs of a right triangle are lengths x and x 3. The cosine of the smallest angle of the triangle is _____.
Click here to see answer by GrantJones(3)

Question 969844: How do I slove for x? Also what is the correct answer?
sin(x − 20)� = cos(x)�

Click here to see answer by Boreal(15235)

Question 969931: If a diagonal is drawn across a football field 150 ft wide and 320 feet long, what size angles will it make with the side lines? end lines? How long is the diagonal?

Click here to see answer by Boreal(15235)

Question 969951: If you have three side lengths and you know they can make a triangle how can you figure out if the triangle will be obtuse, acute, or right triangle by just using the lengths?
Click here to see answer by macston(5194)

Question 969960: SAS Similarity
Click here to see answer by satyareddy22(84)

Question 970026: One leg of a 45-45-90 triangle measures 12 centimeters. What is the length of the hypotenuse?

Click here to see answer by josmiceli(19441)

Question 970106: the longer leg of a right triangle is 2 cm less than twice the shorter leg. the hypotenuse is 14 cm less than three times the shorter leg
Click here to see answer by stanbon(75887)

Question 970160: An isosceles triangles's base is 15 cm and the other two sides are 21cm. Find its area
Click here to see answer by Boreal(15235)

Question 970204: the base of an isosceles triangle is 20cm and the angle opposite the base is 84 degree, find a)equal side b) altitude c) perimeter d) total atea of the isosceles triangle.
Click here to see answer by josgarithmetic(39616)

Question 970292: Is a triangle with side lengths of 9 cm, 16 cm, and 25 cm a right
triangle? Explain.
Click here to see answer by Alan3354(69443)

Question 970292: Is a triangle with side lengths of 9 cm, 16 cm, and 25 cm a right
triangle? Explain.
Click here to see answer by josgarithmetic(39616)

Question 970519: An isosceles trapezoid has a perimeter of 85 inches. Its shorter base measures 10 inches and its longer base measures 11 inches. The two remaining sides have the same length; what is that length?
Click here to see answer by macston(5194)

Question 970494: I need full details and workings on crugents and similar triangles
Click here to see answer by Alan3354(69443)

Question 970503: Solve triangle ABC using the given measurements.
a.B=50 degrees, a=18 b. A=33 degrees, c=12
Click here to see answer by Fombitz(32388)

Question 970625: the angle of a triangle are x�, (x-10�) and 90�. find the angle of the triangle topic:basic geometric theorems
Click here to see answer by Boreal(15235)

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