Given a triangle ABC with sides a=7; b=8 and c=5 Find the value of expressions (sinA+sinB+sinC)(cot(A/2)+cot(B/2)+cot(C/2))
Find the value of the missing variable(s). Angles Formed by Intersecting Chords: Chords are line segments whose enpoints are on the circle. When these chords intersect, they form four angles and four intercepted arcs on the circle. For a pair of vertical angles, the measu...
We can form equations with the proportions that allow us to find variables or missing sides of a triangle. Answer and Explanation: We are given a diagram. Our objective is to find the value of x. First, we can see that we hav...
Answer to: Find the value of x in a right triangle if the sides are x, x + 1 and 7. By signing up, you'll get thousands of step-by-step solutions...
12. Jackie drew the triangle below. Find all the sides of the triangle and the primary trigonometric ratios.10人 相关知识点: 试题来源: 解析 This is an isosceles triangle so, the two unknown side lengths are equal. Since both side lengths are equal, we can replace a and b with x in ...
Learn how to find the missing sides or angles of a right triangle when one length and one angle are provided.
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急Find the length of the base of an isoceles triangle if each of the equal sides is 23cm long and the angle between them is 28度.题目不怎么理解诶. 相关知识点: 试题来源: 解析 so easy.等腰三角形两条边是23cm,他们的夹角是28度,求第三边.自己算啊公式忘了,好好学英语 反馈 收藏 ...
Given the sides of a triangle are 2 cm and 9 cm respectively, find the length of the third side if the perimeter of the triangle is an even number. A.7 cm B.8 cm C.9 cm D.5 cm 相关知识点: 试题来源: 解析 C 反馈 收藏
the sides of the triangle and {eq}\tan(\theta) = \frac{y}{x} {/eq} we solve for the missing {eq}r {/eq} value (hypotenuse) of the triangle. This is computed by {eq}r = \sqrt{7^2+9^2} = \sqrt{49+81} = \sqrt{130} {/eq}. A picture of the triangle is gi...