Math

If the base of an isosceles triangle is decreased by 40% and its height is increased by 10%, then what is the percent change in the area of the triangle?

  1. 👍
  2. 👎
  3. 👁
  1. i think it is 5o%

    1. 👍
    2. 👎
  2. The percent change is a reduction to 66% of the original area, or a 34% reduction.

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math

    Can someone please check to see if I answered these true and false statements correctly? Thank you! 1. A triangle can have two right angles. (TRUE??) 2. An equilateral triangle is also an acute. (TRUE??) 3. A right triangle can

  2. Algebra

    Shirley is drawing triangles that have the same area. The base of each triangle varies inversely with the height. What are the possible base and height of a second triangle if the first triangle's base is 12 and its height is 8?

  3. math

    The base of a triangle is four times its height. If the area of the triangle is 242 square millimeters, find its base and height.

  4. math

    Compare the number of Facebook friends at the beginning of a month and at the end of that month, if … a) it increased by 25% and then decreased by 40% b) it decreased by 60% and then increased by 80% c) it increased by 5% and

  1. calculus

    An isosceles triangle is drawn with its vertex at the origin and its base parallel to the x-axis. The vertices of the base are on the curve 5y=25-x^2 Find the area of the largest such triangle.

  2. Calculus (cross section)

    A solid has a base bounded by x^2_y^2=36. Find the volume of the solid if every plane section perpendicular to the diameter is an isosceles triangle whose base is on the circle and whose height is 4 units

  3. geometry

    the area of a triangle is 27 square feet. its height is three times the length of its base. find the height and base of the triangle. i am unsure of how to set it up, please help

  4. geometry

    Each base of an isosceles triangle measures 42 degrees, 30'. The base is 14.6 meters long. a. Find the length of a leg of the triangle b. Find the altitude of the triangle c. What is the area of the triangle?

  1. pre calculus

    The base of an Isosceles triangle is half as long as the two equal sides. Write the area of the triangle as a function of the length of the base. the answer is: A=a^2times the square root of 15 ------------------------------ 4 How

  2. Math

    Again i wrote the question wrong. 4. Classify the triangle with angles measuring 69º, 42º, and 69º. A. right B. equilateral C. isosceles acute D. isosceles obtuse You said isosceles but i didn't know whether it was C or D.

  3. Mathematics

    An isosceles triangle has a vertical angle of 116 degrees and its base is 8cm long.calculate its height

  4. math

    which shapes will have an area of 24m2? choose all that apply. a. a triangle with the base of 6m and a height of 4m b. a parallelogram with a base of 48m and a height of .5m c. a trapezoid with the bases of 9m and 3m and a height

You can view more similar questions or ask a new question.