We read your photo as:

Surface area of the open funnel in the shape of a cone of radius 3.5cm and slanting length of 10cm.

August 24, 2026Mathematics

ScanSolve AI Answer

Answer

110 \text{ cm}^2

Step-by-step solution

4 steps

Tambua vipimo vilivyotolewa.
Tunapewa rediasi ya koni, $r = 3.5 \text{ cm}$ , na urefu mteremko, $l = 10 \text{ cm}$ .
Andika fomula ya eneo la uso wa pembeni (lateral surface area) ya koni.
Kwa kuwa faneli ni wazi (haina msingi), tunahitaji tu eneo la uso wa pembeni. Fomula ni:
$A = \pi r l$
Badilisha thamani za $r$ na $l$ kwenye fomula.
Tutatumia $\pi \approx \frac{22}{7}$ kwa hesabu rahisi.
$A = \frac{22}{7} \times 3.5 \text{ cm} \times 10 \text{ cm}$
Fanya hesabu.
$A = \frac{22}{7} \times \frac{7}{2} \text{ cm} \times 10 \text{ cm}$ $A = 11 \times 10 \text{ cm}^2$ $A = 110 \text{ cm}^2$
Eneo la uso wa faneli ni:
$110 \text{ cm}^2$

Was this helpful?

Try one yourself

A new problem that tests the same skill.

Still stuck on this one?

Ask a follow-up, and the answer starts from this question.

Got a different question?Ask your own question

More Mathematics Questions

QFind the volume and surface area of a sphere with radius 3.5 cm and a cone with radius 7 cm and…QCalculate the total surface area of a cone with a base radius of 5 cm and a slant height of 12 cm.QCalculate the total surface area of a cone with a slant height of 6.3 m and a base diameter of 7.2…QThe diagram below shows a net of a cone. All ABC is a semi-circle of radius 3.5 cm. Find the volume…QFind the surface area of a cone whose base radius is 4 cm and the height is 10 cm. (Take pi = 3.142)

Browse by topic:Geometry

See all Mathematics questions →

Got a syllabus? Photograph it and I'll tell you what's due and what's worth the most.

Handwritten step-by-step solution preview

Handwritten Step-by-Step Solution

Get this as a handwritten image on WhatsApp — like a tutor wrote it for you.

Try on WhatsApp